Architecture specific change in rpms/firefox.git

The package rpms/firefox.git has added or updated architecture specific content in its
spec file (ExclusiveArch/ExcludeArch or %ifarch/%ifnarch) in commit(s):
https://src.fedoraproject.org/cgit/rpms/firefox.git/commit/?id=5a73516eddc11...
https://src.fedoraproject.org/cgit/rpms/firefox.git/commit/?id=71fbbe358df12....

Change:
-%ifnarch %{ix86} x86_64 ppc64le
-%ifarch %{arm}

Thanks.

Full change:
============

commit 5a73516eddc11a43365e2f5e8a68c6ad25830b76
Author: Peter Robinson 
Date:   Tue Jul 28 18:40:36 2020 +0100

Build webrtc on aarch64/armv7, fixes rhbz #1858433

diff --git a/firefox.spec b/firefox.spec
index ef3d3d3..53b025a 100644
--- a/firefox.spec
+++ b/firefox.spec
@@ -448,10 +448,6 @@ echo "ac_add_options --disable-debug" >> .mozconfig
 echo "ac_add_options --disable-jemalloc" >> .mozconfig
 %endif

-%ifnarch %{ix86} x86_64 ppc64le
-echo "ac_add_options --disable-webrtc" >> .mozconfig
-%endif
-
 %if !%{enable_mozilla_crashreporter}
 echo "ac_add_options --disable-crashreporter" >> .mozconfig
 %endif

commit 6dc06e9cbfaa9e0ce124861a172002fccf87c6e7
Author: Peter Robinson 
Date:   Tue Jul 28 18:33:44 2020 +0100

move --enable-av1 to firefox-mozconfig now it doesn't need conditionals

diff --git a/firefox-mozconfig b/firefox-mozconfig
index 9cae2b0..ef68221 100644
--- a/firefox-mozconfig
+++ b/firefox-mozconfig
@@ -7,6 +7,7 @@ ac_add_options --enable-necko-wifi
 ac_add_options --disable-updater
 ac_add_options --enable-chrome-format=omni
 ac_add_options --enable-pulseaudio
+ac_add_options --enable-av1
 ac_add_options --without-system-icu
 ac_add_options --enable-release
 ac_add_options --update-channel=release
diff --git a/firefox.spec b/firefox.spec
index 8365550..ef3d3d3 100644
--- a/firefox.spec
+++ b/firefox.spec
@@ -483,13 +483,6 @@ echo "ac_add_options --enable-address-sanitizer" >> .mozconfig
 echo "ac_add_options --disable-jemalloc" >> .mozconfig
 %endif

-# We don't have recent nasm on Fedora 30...time to update to Fedora 31.
-%if 0%{?fedora} < 31
-echo "ac_add_options --disable-av1" >> .mozconfig
-%else
-echo "ac_add_options --enable-av1" >> .mozconfig
-%endif
-
 # api keys full path
 echo "ac_add_options --with-mozilla-api-keyfile=`pwd`/mozilla-api-key" >> .mozconfig
 # It seems that the api key we have is for the safe browsing only

commit 71fbbe358df123103f665dd5393ddcc4d915deb1
Author: Peter Robinson 
Date:   Tue Jul 28 18:24:14 2020 +0100

drop 1238661 patch, no longer applies, patched file not shipped anymore

diff --git a/Bug-1238661---fix-mozillaSignalTrampoline-to-work-.patch b/Bug-1238661---fix-mozillaSignalTrampoline-to-work-.patch
deleted file mode 100644
index d7e53e7..0000000
--- a/Bug-1238661---fix-mozillaSignalTrampoline-to-work-.patch
+++ /dev/null
@@ -1,15 +0,0 @@
-diff -up firefox-68.0/mfbt/LinuxSignal.h.1238661 firefox-68.0/mfbt/LinuxSignal.h
---- firefox-68.0/mfbt/LinuxSignal.h.1238661	2019-07-08 22:27:29.620749569 +0200
-+++ firefox-68.0/mfbt/LinuxSignal.h	2019-07-08 22:44:17.794112428 +0200
-@@ -22,7 +22,10 @@ __attribute__((naked)) void SignalTrampo
-                                              void* aContext) {
-   asm volatile("nop; nop; nop; nop" : : : "memory");
- 
--  asm volatile("b %0" : : "X"(H) : "memory");
-+  // Because the assembler may generate additional insturctions below, we
-+  // need to ensure NOPs are inserted first by separating them out above.
-+
-+  asm volatile("bx %0" : : "r"(H), "l"(aSignal), "l"(aInfo), "l"(aContext) : "memory");
- }
- 
- #  define MOZ_SIGNAL_TRAMPOLINE(h) (mozilla::SignalTrampoline<h>)
diff --git a/firefox.spec b/firefox.spec
index 2da2b38..8365550 100644
--- a/firefox.spec
+++ b/firefox.spec
@@ -177,7 +177,6 @@ Patch227:        firefox-locale-debug.patch
 # Upstream patches
 Patch402:        mozilla-1196777.patch
 Patch412:        mozilla-1337988.patch
-Patch415:        Bug-1238661---fix-mozillaSignalTrampoline-to-work-.patch
 Patch417:        bug1375074-save-restore-x28.patch
 Patch422:        mozilla-1580174-webrtc-popup.patch

@@ -382,9 +381,6 @@ This package contains results of tests executed during build.
 %patch227 -p1 -b .locale-debug

%patch402 -p1 -b .1196777
-%ifarch %{arm}
-%patch415 -p1 -b .1238661
-%endif

# Wayland specific upstream patches