ARM: shmobile: bockw: enable CONFIG_PM_RUNTIME in defconfig

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>
diff --git a/arch/arm/configs/bockw_defconfig b/arch/arm/configs/bockw_defconfig
index 2c3f34e..a4bc76d 100644
--- a/arch/arm/configs/bockw_defconfig
+++ b/arch/arm/configs/bockw_defconfig
@@ -31,6 +31,7 @@
 CONFIG_CMDLINE_FORCE=y
 # CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set
 # CONFIG_SUSPEND is not set
+CONFIG_PM_RUNTIME=y
 CONFIG_NET=y
 CONFIG_UNIX=y
 CONFIG_INET=y