webkitgtk: Use gcc to build for rv64 for now

clang-20 is unable to build webkit 2.48 for rv64

Signed-off-by: Khem Raj <[email protected]>

Author: kraj

conf/nonclangable.conf

@@ -207,8 +207,12 @@ TOOLCHAIN:pn-netdata = "gcc"
 TOOLCHAIN:pn-python3-drgn:riscv32 = "gcc"
 
 # Clang-20 issue - https://github.com/llvm/llvm-project/issues/132322
-TOOLCHAIN:pn-webkitgtk:arm:toolchain-clang = "gcc"
-TOOLCHAIN:pn-webkitgtk3:arm:toolchain-clang = "gcc"
+TOOLCHAIN:pn-webkitgtk:arm = "gcc"
+TOOLCHAIN:pn-webkitgtk3:arm = "gcc"
+
+# Disable clang on rv64 for now. see - https://bugs.webkit.org/show_bug.cgi?id=290243
+TOOLCHAIN:pn-webkitgtk:riscv64 = "gcc"
+TOOLCHAIN:pn-webkitgtk3:riscv64 = "gcc"
 
 CFLAGS:append:pn-liboil:toolchain-clang:x86-64 = " -fheinous-gnu-extensions "