ARM: exynos_defconfig: Enable PM_DEBUG

PM_DEBUG and PM_ADVANCED_DEBUG bring some information useful for
development and they should not cause any significant overhead.  Enable
them in default configuration so debugging would be slightly easier.
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Reviewed-by: Javier Martinez Canillas <javier@osg.samsung.com>
Acked-by: Kukjin Kim <kgene@kernel.org>

arch/arm/configs/exynos_defconfig

@@ -35,6 +35,8 @@ CONFIG_ARM_EXYNOS_CPUIDLE=y
 CONFIG_VFP=y
 CONFIG_NEON=y
 CONFIG_KERNEL_MODE_NEON=y
+CONFIG_PM_DEBUG=y
+CONFIG_PM_ADVANCED_DEBUG=y
 CONFIG_NET=y
 CONFIG_PACKET=y
 CONFIG_UNIX=y