soc/amd/common/block/aoac: expand acronym in Kconfig help text

Signed-off-by: Felix Held <felix-coreboot@felixheld.de>
Change-Id: I08ad12cd7c8de7a7f170d3dc76c8942131687301
Reviewed-on: https://review.coreboot.org/c/coreboot/+/50163
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
diff --git a/src/soc/amd/common/block/aoac/Kconfig b/src/soc/amd/common/block/aoac/Kconfig
index 361a46e..be9dc67 100644
--- a/src/soc/amd/common/block/aoac/Kconfig
+++ b/src/soc/amd/common/block/aoac/Kconfig
@@ -2,5 +2,5 @@
 	bool
 	default n
 	help
-	  Select this option to add the common functions for the AOAC block to
-	  the build.
+	  Select this option to add the common functions for the AOAC (always
+	  on, always connected) block to the build.