arm64: fix typo in comments

fix typo in comments

thath -> that
Signed-off-by: Seongsu Park <sgsu.park@samsung.com>
Link: https://lore.kernel.org/r/20240202013306.883777-1-sgsu.park@samsung.comSigned-off-by: Will Deacon <will@kernel.org>

arch/arm64/include/asm/cpufeature.h

@@ -83,7 +83,7 @@ struct arm64_ftr_bits {
  * to full-0 denotes that this field has no override
  *
  * A @mask field set to full-0 with the corresponding @val field set
- * to full-1 denotes thath this field has an invalid override.
+ * to full-1 denotes that this field has an invalid override.
  */
 struct arm64_ftr_override {
 	u64		val;