nfc: pn533: drop unneeded braces {} in if

{} braces are not needed over single if-statement.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Link: https://lore.kernel.org/r/20210531073902.7111-3-krzysztof.kozlowski@canonical.com


Signed-off-by: Jakub Kicinski <kuba@kernel.org>