[RISCV] Update relax-per-target-feature.ll to use hexadecimal constants. NFC

Needed after 3dde0d0

Author: topperc

llvm/test/CodeGen/RISCV/relax-per-target-feature.ll

@@ -8,22 +8,22 @@
 declare dso_local i32 @ext(i32)
 
 ; CHECK-LABEL: <f>:
-; CHECK-NEXT:    c.li a0, 31
-; CHECK-NEXT:    auipc t1, 0
+; CHECK-NEXT:    c.li a0, 0x1f
+; CHECK-NEXT:    auipc t1, 0x0
 ; CHECK-NEXT:    R_RISCV_CALL_PLT     ext
 ; CHECK-NEXT:    R_RISCV_RELAX *ABS*
-; CHECK-NEXT:    jalr zero, 0(t1)
+; CHECK-NEXT:    jalr zero, 0x0(t1)
 define dso_local i32 @f() #0 {
 entry:
   %r = tail call i32 @ext(i32 31)
   ret i32 %r
 }
 
 ; CHECK-LABEL: <g>:
-; CHECK-NEXT:    addi a0, zero, 31
-; CHECK-NEXT:    auipc t1, 0
+; CHECK-NEXT:    addi a0, zero, 0x1f
+; CHECK-NEXT:    auipc t1, 0x0
 ; CHECK-NEXT:    R_RISCV_CALL_PLT     ext
-; CHECK-NEXT:    jalr zero, 0(t1)
+; CHECK-NEXT:    jalr zero, 0x0(t1)
 define dso_local i32 @g() #1 {
 entry:
   %r = tail call i32 @ext(i32 31)