arm64: dts: exynos: Add the mshc_2 node for supporting T-Flash

Add the mshc_2 node for supporting T-Flash.

Also add the "mshc*" aliases. dwmmc driver should be assigned to
"ctrl_id" after parsing to "mshc".  If there are no aliases for mshc,
then it might be set to the wrong capabilities.
Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com>
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>

arch/arm64/boot/dts/exynos/exynos5433-tm2.dts

@@ -45,6 +45,8 @@ aliases {
 		spi2 = &spi_2;
 		spi3 = &spi_3;
 		spi4 = &spi_4;
+		mshc0 = &mshc_0;
+		mshc2 = &mshc_2;
 	};
 
 	chosen {
@@ -715,6 +717,23 @@ &mshc_0 {
 	assigned-clock-rates = <800000000>;
 };
 
+&mshc_2 {
+	status = "okay";
+	num-slots = <1>;
+	cap-sd-highspeed;
+	disable-wp;
+	cd-gpios = <&gpa2 4 GPIO_ACTIVE_HIGH>;
+	cd-inverted;
+	card-detect-delay = <200>;
+	samsung,dw-mshc-ciu-div = <3>;
+	samsung,dw-mshc-sdr-timing = <0 4>;
+	samsung,dw-mshc-ddr-timing = <0 2>;
+	fifo-depth = <0x80>;
+	pinctrl-names = "default";
+	pinctrl-0 = <&sd2_clk &sd2_cmd &sd2_bus1 &sd2_bus4>;
+	bus-width = <4>;
+};
+
 &pinctrl_alive {
 	pinctrl-names = "default";
 	pinctrl-0 = <&initial_alive>;