CI: revert a meta-clang change which breaks pixman (thus, xserver)

Signed-off-by: Ross Burton <ross.burton@arm.com>
Signed-off-by: Jon Mason <jon.mason@arm.com>

ci/0001-Revert-pixman-Do-not-use-clang-assembler-for-now.patch

@@ -0,0 +1,26 @@
+This causes illegal instruction faults in pixman, so xserver crashes.
+https://github.com/kraj/meta-clang/issues/696
+
+From 8659c5c5bec39dd43a1988b19d4cf30507a44679 Mon Sep 17 00:00:00 2001
+From: Ross Burton <ross.burton@arm.com>
+Date: Mon, 28 Nov 2022 16:52:50 +0000
+Subject: [PATCH] Revert "pixman: Do not use clang assembler for now"
+
+This reverts commit 84dbafa42d8141b00da75d6664aef07c252a52ee.
+---
+ conf/nonclangable.conf | 1 -
+ 1 file changed, 1 deletion(-)
+
+diff --git a/conf/nonclangable.conf b/conf/nonclangable.conf
+index 04112f4..b5db848 100644
+--- a/conf/nonclangable.conf
++++ b/conf/nonclangable.conf
+@@ -347,5 +347,4 @@ DEPENDS:append:pn-pixman:mips:toolchain-clang = " openmp"
+ #| .endfunc
+ #| ^
+ CFLAGS:append:pn-pixman:arm:toolchain-clang = " -no-integrated-as"
+-CFLAGS:append:pn-pixman:aarch64:toolchain-clang = " -no-integrated-as"
+ 
+-- 
+2.34.1
+

ci/clang.yml

@@ -5,6 +5,10 @@ repos:
   meta-clang:
     url: https://github.com/kraj/meta-clang
     refspec: master
+    patches:
+      pixman:
+        repo: meta-arm
+        path: ci/0001-Revert-pixman-Do-not-use-clang-assembler-for-now.patch
 
 local_conf_header:
   clang: |