Fix log buffer size configuration in build.yml

.github/workflows/build.yml

@@ -308,7 +308,7 @@ jobs:
           CONFIG_TMPFS_POSIX_ACL=y
 
           # increase log buffer size to show bbg version in wksu homepage
-          CONFIG_LOG_BUF_SHIFT=20          
+          CONFIG_LOG_BUF_SHIFT=20
           EOF
 
           if [[ "${{ inputs.branch }}" == "SM-S938B-Oneui7" || "${{ inputs.branch }}" == "SM-S931B-Oneui8" ]]; then