ARM: mediatek: Add earlyprintk support for mt8127 & mt8135

Enable low-level debug for Mediatek mt8127 & mt8135 SoC.
Signed-off-by: Joe.C <yingjoe.chen@mediatek.com>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>

arch/arm/Kconfig.debug

@@ -866,6 +866,22 @@ choice
 		  Say Y here if you want kernel low-level debugging support
 		  for Mediatek mt6589 based platforms on UART0.
 
+	config DEBUG_MT8127_UART0
+		bool "Mediatek mt8127 UART0"
+		depends on ARCH_MEDIATEK
+		select DEBUG_UART_8250
+		help
+		  Say Y here if you want kernel low-level debugging support
+		  for Mediatek mt8127 based platforms on UART0.
+
+	config DEBUG_MT8135_UART3
+		bool "Mediatek mt8135 UART3"
+		depends on ARCH_MEDIATEK
+		select DEBUG_UART_8250
+		help
+		  Say Y here if you want kernel low-level debugging support
+		  for Mediatek mt8135 based platforms on UART3.
+
 	config DEBUG_VEXPRESS_UART0_DETECT
 		bool "Autodetect UART0 on Versatile Express Cortex-A core tiles"
 		depends on ARCH_VEXPRESS && CPU_CP15_MMU
@@ -1113,7 +1129,9 @@ config DEBUG_UART_PHYS
 	default 0x10126000 if DEBUG_RK3X_UART1
 	default 0x101f1000 if ARCH_VERSATILE
 	default 0x101fb000 if DEBUG_NOMADIK_UART
+	default 0x11002000 if DEBUG_MT8127_UART0
 	default 0x11006000 if DEBUG_MT6589_UART0
+	default 0x11009000 if DEBUG_MT8135_UART3
 	default 0x16000000 if ARCH_INTEGRATOR
 	default 0x18000300 if DEBUG_BCM_5301X
 	default 0x1c090000 if DEBUG_VEXPRESS_UART0_RS1
@@ -1181,7 +1199,9 @@ config DEBUG_UART_VIRT
 	default 0xf01fb000 if DEBUG_NOMADIK_UART
 	default 0xf0201000 if DEBUG_BCM2835
 	default 0xf1000300 if DEBUG_BCM_5301X
+	default 0xf1002000 if DEBUG_MT8127_UART0
 	default 0xf1006000 if DEBUG_MT6589_UART0
+	default 0xf1009000 if DEBUG_MT8135_UART3
 	default 0xf11f1000 if ARCH_VERSATILE
 	default 0xf1600000 if ARCH_INTEGRATOR
 	default 0xf1c28000 if DEBUG_SUNXI_UART0