Enable CONFIG_PM_RUNTIME in 'bockw_defconfig' -- it's already used by TMU, SCI,
I2C, and Ether drivers to control the clocks...
Signed-off-by: Vladimir Barinov <vladimir.barinov@cogentembedded.com> Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>