Disable LLVM/Clang for riscv64
+FATAL: fatal llvm error: Cannot select: 0x2aabd9ebd0: ch = brcond 0x2aabd9f6c8, 0x2aabd9f5f8, BasicBlock:ch<b.op.1.start 0x2aabdfc530>
+ 0x2aabd9f5f8: i64 = setcc 0x2aabd9f8d0, Constant:i64<0>, setne:ch
+ 0x2aabd9f8d0: i64,ch = load<(load 2 from %ir.6), zext from i16> 0x2aabdc9b48, 0x2aabd9f3f0, undef:i64
+ 0x2aabd9f3f0: i64 = add nuw 0x2aabd9ee40, Constant:i64<6>
+ 0x2aabd9ee40: i64,ch = load<(load 8 from %ir.3)> 0x2aabdc9b48, 0x2aabd9ed08, undef:i64
+ 0x2aabd9ed08: i64 = add nuw 0x2aabd9eb68, Constant:i64<8>
+ 0x2aabd9eb68: i64,ch = CopyFromReg 0x2aabdc9b48, Register:i64 %13
+ 0x2aabd9eb00: i64 = Register %13
+ 0x2aabd9eca0: i64 = Constant<8>
+ 0x2aabd9edd8: i64 = undef
+ 0x2aabd9f388: i64 = Constant<6>
+ 0x2aabd9edd8: i64 = undef
+ 0x2aabd9f528: i64 = Constant<0>
+In function: evalexpr_0_0
+server closed the connection unexpectedly
+ This probably means the server terminated abnormally
+ before or while processing the request.
+connection to server was lost
RPM build errors:
+ test 1 -eq 0
Signed-off-by: David Abdurachmanov <david.abdurachmanov@sifive.com>