staging: r8188eu: remove unneeded semicolon

Eliminate the following coccicheck warning:
./drivers/staging/r8188eu/hal/HalPwrSeqCmd.c:70:2-3: Unneeded semicolon

Fixes: df8d0a55 ("staging: r8188eu: make power sequences static")
Reviewed-by: Martin Kaiser <martin@kaiser.cx>
Signed-off-by: Yang Li <yang.lee@linux.alibaba.com>
Link: https://lore.kernel.org/r/20220630090937.4983-1-yang.lee@linux.alibaba.com


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