arm: rockchip_linux_defconfig: enable MALI_PWRSOFT_765 for midgard DDK r18

Change-Id: Ic2e643dfa991bf24a6be509b42fa4056c794f699
Signed-off-by: Zhen Chen <chenzhen@rock-chips.com>

Author: Zhen Chen

arch/arm/configs/rockchip_linux_defconfig

@@ -324,6 +324,7 @@ CONFIG_MALI_MIDGARD=y
 CONFIG_MALI_EXPERT=y
 CONFIG_MALI_PLATFORM_THIRDPARTY=y
 CONFIG_MALI_PLATFORM_THIRDPARTY_NAME="rk"
+CONFIG_MALI_PWRSOFT_765=y
 CONFIG_FB_MODE_HELPERS=y
 CONFIG_BACKLIGHT_LCD_SUPPORT=y
 # CONFIG_LCD_CLASS_DEVICE is not set