[gcc r16-6241] aarch64: Update SME_LUTv2 feature string.

[Alfie Richards]

https://gcc.gnu.org/g:3d831cafe5424d6361aca7095c2b02e95a825bef

commit r16-6241-g3d831cafe5424d6361aca7095c2b02e95a825bef
Author: Alfie Richards <alfie.richards@arm.com>
Date:   Mon Dec 15 16:43:27 2025 +0000

    aarch64: Update SME_LUTv2 feature string.
    
    gcc/ChangeLog:
    
            * config/aarch64/aarch64-option-extensions.def (sme-lutv2): Fix
            feature string.

Diff:
---
 gcc/config/aarch64/aarch64-option-extensions.def | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/gcc/config/aarch64/aarch64-option-extensions.def b/gcc/config/aarch64/aarch64-option-extensions.def
index 61468a731c1d..c43802eb7154 100644
--- a/gcc/config/aarch64/aarch64-option-extensions.def
+++ b/gcc/config/aarch64/aarch64-option-extensions.def
@@ -306,7 +306,7 @@ AARCH64_OPT_EXTENSION("ssve-fp8dot2", SSVE_FP8DOT2, (SME2, FP8), (), (), "smesf8
 
 AARCH64_OPT_EXTENSION("lut", LUT, (SIMD), (), (), "lut")
 
-AARCH64_OPT_EXTENSION ("sme-lutv2", SME_LUTv2, (SME2), (), (), "sme-lutv2")
+AARCH64_OPT_EXTENSION ("sme-lutv2", SME_LUTv2, (SME2), (), (), "smelutv2")
 
 AARCH64_OPT_EXTENSION("cpa", CPA, (), (), (), "")