ARM: mediatek: Add MT8183 support

Add the MT8183 SoC support.

Signed-off-by: Fabien Parent <fparent@baylibre.com>
diff --git a/arch/arm/mach-mediatek/Kconfig b/arch/arm/mach-mediatek/Kconfig
index 2791b3d..a035471 100644
--- a/arch/arm/mach-mediatek/Kconfig
+++ b/arch/arm/mach-mediatek/Kconfig
@@ -42,6 +42,15 @@
 	  including DDR3, crypto engine, 3x3 11n/ac Wi-Fi, Gigabit Ethernet,
 	  switch, USB3.0, PCIe, UART, SPI, I2C and PWM.
 
+config TARGET_MT8183
+	bool "MediaTek MT8183 SoC"
+	select ARM64
+	help
+	  The MediaTek MT8183 is a ARM64-based SoC with a quad-core Cortex-A73 and
+	  a quad-core Cortex-A53. It is including UART, SPI, USB3.0 dual role,
+	  SD and MMC cards, UFS, PWM, I2C, I2S, S/PDIF, and several LPDDR3
+	  and LPDDR4 options.
+
 config TARGET_MT8512
         bool "MediaTek MT8512 M1 Board"
         select ARM64