imx: imx93_evk: Add basic board support

Add basic board codes and defconfig for i.MX93 11x11 EVK board.

Signed-off-by: Ye Li <ye.li@nxp.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
diff --git a/board/freescale/imx93_evk/Kconfig b/board/freescale/imx93_evk/Kconfig
new file mode 100644
index 0000000..821144c
--- /dev/null
+++ b/board/freescale/imx93_evk/Kconfig
@@ -0,0 +1,19 @@
+if TARGET_IMX93_11X11_EVK
+
+config SYS_BOARD
+	default "imx93_evk"
+
+config SYS_VENDOR
+	default "freescale"
+
+config SYS_CONFIG_NAME
+	default "imx93_evk"
+
+config IMX93_EVK_LPDDR4X
+	bool "Using LPDDR4X Timing and PMIC voltage"
+	default y
+	select IMX9_LPDDR4X
+	help
+	  Select the LPDDR4X timing and 0.6V VDDQ
+
+endif