staging: rtl8712: Remove additional space

Remove additional whitespaces in SwLedOn() between u8 and LedCfg to
conform to common kernel coding style.

Signed-off-by: Ayush Tiwari <ayushtiw0110@gmail.com>
Link: https://lore.kernel.org/r/ZgCWdfJit4Ly14NB@ayush-HP-Pavilion-Gaming-Laptop-15-ec0xxx


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