- Up requirement to llvm15 when building GCN offload compiler, needed

for gfx1100 support.
- Remove obsolete gcc11-amdgcn-disable-hot-cold-partitioning.patch and
  gcc10-amdgcn-llvm-as.patch patches.

OBS-URL: https://build.opensuse.org/package/show/devel:gcc/gcc14?expand=0&rev=14

gcc.spec.in

@@ -388,9 +388,7 @@ Patch11:	gcc7-remove-Wexpansion-to-defined-from-Wextra.patch
 Patch15:	gcc7-avoid-fixinc-error.diff
 Patch16:	gcc9-reproducible-builds.patch
 Patch17:	gcc9-reproducible-builds-buildid-for-checksum.patch
-Patch18:	gcc10-amdgcn-llvm-as.patch
 Patch19:	gcc11-gdwarf-4-default.patch
-Patch20:	gcc11-amdgcn-disable-hot-cold-partitioning.patch
 # A set of patches from the RH srpm
 Patch51:	gcc41-ppc32-retaddr.patch
 # Some patches taken from Debian
@@ -1346,11 +1344,6 @@ ln -s newlib-4.4.0.20231231/newlib .
 %patch15
 %patch16
 %patch17 -p1
-# These patches are needed only for llvm11
-%if "%{TARGET_ARCH}" == "amdgcn" && %{suse_version} < 1550
-%patch18 -p1
-%patch20 -p1
-%endif
 # In SLE15 and earlier default to dwarf4, not dwarf5
 %if %{suse_version} < 1550
 %patch19 -p1