arm: mach-k3: Add config option for setting OP-TEE address

Much like we have for ATF, OP-TEE has a standard address that we load
it too and run it from. Add a Kconfig item for this to remove some
hard-coding and allow this address to be more easily changed.

Signed-off-by: Andrew Davis <afd@ti.com>
Acked-by: Bryan Brattlof <bb@ti.com>
Reviewed-by: Neha Malcom Francis <n-francis@ti.com>
diff --git a/arch/arm/mach-k3/Kconfig b/arch/arm/mach-k3/Kconfig
index 0bd3f9f..55bb874 100644
--- a/arch/arm/mach-k3/Kconfig
+++ b/arch/arm/mach-k3/Kconfig
@@ -129,6 +129,13 @@
 	  The load address for the ATF image. This value is used to build the
 	  FIT image header that places ATF in memory where it will run.
 
+config K3_OPTEE_LOAD_ADDR
+	hex "Load address of OPTEE image"
+	default 0x9e800000
+	help
+	  The load address for the OPTEE image. This value defaults to 0x9e800000
+	  if not provided in the board defconfig file.
+
 config K3_DM_FW
 	bool "Separate DM firmware image"
 	depends on CPU_V7R && (SOC_K3_J721E || SOC_K3_J721S2 || SOC_K3_AM625 || SOC_K3_AM62A7) && !CLK_TI_SCI && !TI_SCI_POWER_DOMAIN