arm64: qcom: Add support for Qualcomm MSM8916 SoC

Add support for Qualcomm MSM8916 SoC in arm64 Kconfig and defconfig.
Enable MSM8916 clock, pin control, and MSM serial driver utilized by
MSM8916 and Qualcomm SoCs in general.
Signed-off-by: Kumar Gala <galak@codeaurora.org>
Signed-off-by: Abhimanyu Kapur <abhimany@codeaurora.org>

arch/arm64/Kconfig

@@ -177,6 +177,12 @@ config ARCH_MEDIATEK
 	help
 	  Support for Mediatek MT65xx & MT81xx ARMv8 SoCs
 
+config ARCH_QCOM
+	bool "Qualcomm Platforms"
+	select PINCTRL
+	help
+	  This enables support for the ARMv8 based Qualcomm chipsets.
+
 config ARCH_SEATTLE
 	bool "AMD Seattle SoC Family"
 	help

arch/arm64/configs/defconfig

@@ -33,6 +33,7 @@ CONFIG_MODULE_UNLOAD=y
 # CONFIG_IOSCHED_DEADLINE is not set
 CONFIG_ARCH_FSL_LS2085A=y
 CONFIG_ARCH_MEDIATEK=y
+CONFIG_ARCH_QCOM=y
 CONFIG_ARCH_THUNDER=y
 CONFIG_ARCH_VEXPRESS=y
 CONFIG_ARCH_XGENE=y
@@ -93,11 +94,14 @@ CONFIG_SERIAL_8250_CONSOLE=y
 CONFIG_SERIAL_8250_MT6577=y
 CONFIG_SERIAL_AMBA_PL011=y
 CONFIG_SERIAL_AMBA_PL011_CONSOLE=y
+CONFIG_SERIAL_MSM=y
+CONFIG_SERIAL_MSM_CONSOLE=y
 CONFIG_SERIAL_OF_PLATFORM=y
 CONFIG_VIRTIO_CONSOLE=y
 # CONFIG_HW_RANDOM is not set
 CONFIG_SPI=y
 CONFIG_SPI_PL022=y
+CONFIG_PINCTRL_MSM8916=y
 CONFIG_GPIO_PL061=y
 CONFIG_GPIO_XGENE=y
 # CONFIG_HWMON is not set
@@ -127,6 +131,8 @@ CONFIG_RTC_DRV_EFI=y
 CONFIG_RTC_DRV_XGENE=y
 CONFIG_VIRTIO_BALLOON=y
 CONFIG_VIRTIO_MMIO=y
+CONFIG_COMMON_CLK_QCOM=y
+CONFIG_MSM_GCC_8916=y
 # CONFIG_IOMMU_SUPPORT is not set
 CONFIG_PHY_XGENE=y
 CONFIG_EXT2_FS=y