pm9g45: fix compile warning

Fix warning:

	pm9g45.c: In function 'pm9g45_macb_hw_init':
	pm9g45.c:99: warning: unused variable 'pio'

Signed-off-by: Wolfgang Denk <wd@denx.de>
Cc: Ilko Iliev <iliev@ronetix.at>
1 file changed