staging: vchiq: add braces to if block

The rule of not using braces in single statement does not apply if only
one branch of the conditional statement is a single statement. Add
braces to fix this.

While at it, remove extra blank space after a comment inside the if
block.

Reported by checkpatch.pl

Signed-off-by: Gaston Gonzalez <gascoar@gmail.com>
Link: https://lore.kernel.org/r/20210915202916.413914-2-gascoar@gmail.com


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>