[clang] [llvm] [PowerPC] Add builtin_cpu_is P11 support (PR #99550)

[via cfe-commits]

================
@@ -84,6 +85,7 @@
 #define AIX_PPC8_VALUE 0x00010000
 #define AIX_PPC9_VALUE 0x00020000
 #define AIX_PPC10_VALUE 0x00040000
+#define AIX_PPC11_VALUE 0x00080000
----------------
azhan92 wrote:

I don't believe there is a definition for P11 yet, this is just what I expect based off the existing values.

https://github.com/llvm/llvm-project/pull/99550