target/arm: Fix indentation

Fix comment indentation adding a missing space.

Signed-off-by: Gustavo Romero <gustavo.romero@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20240624180915.4528-2-gustavo.romero@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
diff --git a/target/arm/tcg/cpu64.c b/target/arm/tcg/cpu64.c
index 0899251..71e1bfc 100644
--- a/target/arm/tcg/cpu64.c
+++ b/target/arm/tcg/cpu64.c
@@ -1167,7 +1167,7 @@
 
     t = cpu->isar.id_aa64isar2;
     t = FIELD_DP64(t, ID_AA64ISAR2, MOPS, 1);     /* FEAT_MOPS */
-    t = FIELD_DP64(t, ID_AA64ISAR2, BC, 1);      /* FEAT_HBC */
+    t = FIELD_DP64(t, ID_AA64ISAR2, BC, 1);       /* FEAT_HBC */
     t = FIELD_DP64(t, ID_AA64ISAR2, WFXT, 2);     /* FEAT_WFxT */
     cpu->isar.id_aa64isar2 = t;