[RISCV] Fix Test Prefixes in Debug Test (#141895)

Author: lenary

llvm/test/DebugInfo/RISCV/relax-debug-frame.ll

@@ -4,12 +4,12 @@
 ; RUN:     | FileCheck -check-prefix=RELAX-DWARFDUMP %s
 ;
 ; RELAX:      Section ({{.*}}) .rela.eh_frame {
-; REALX-NEXT:   0x1C R_RISCV_32_PCREL .L0 0x0 
-; REALX-NEXT:   0x30 R_RISCV_32_PCREL .L0 0x0 
-; REALX-NEXT:   0x48 R_RISCV_32_PCREL .L0 0x0 
-; REALX-NEXT:   0x4C R_RISCV_ADD32 .L0 0x0 
-; REALX-NEXT:   0x4C R_RISCV_SUB32 .L0 0x0 
-; REALX-NEXT:   0x57 R_RISCV_SET6 .L0 0x0 
+; RELAX-NEXT:   0x1C R_RISCV_32_PCREL .L0 0x0
+; RELAX-NEXT:   0x30 R_RISCV_32_PCREL .L0 0x0
+; RELAX-NEXT:   0x48 R_RISCV_32_PCREL .L0 0x0
+; RELAX-NEXT:   0x4C R_RISCV_ADD32 .L0 0x0
+; RELAX-NEXT:   0x4C R_RISCV_SUB32 .L0 0x0
+; RELAX-NEXT:   0x57 R_RISCV_SET6 .L0 0x0
 ; RELAX-NEXT-EMPTY:
 
 ; RELAX-DWARFDUMP-NOT: error: failed to compute relocation