configs: j7200_evm_r5_defconfig: Define K3_OPP_LOW

Define new CONFIG_K3_OPP_LOW under arm/mach-k3/r5/Kconfig and add
default value to j7200_evm_r5_defconfig

Signed-off-by: Reid Tonking <reidt@ti.com>
Signed-off-by: Aniket Limaye <a-limaye@ti.com>
diff --git a/arch/arm/mach-k3/r5/Kconfig b/arch/arm/mach-k3/r5/Kconfig
index 878087f..1233588 100644
--- a/arch/arm/mach-k3/r5/Kconfig
+++ b/arch/arm/mach-k3/r5/Kconfig
@@ -1,6 +1,13 @@
 config K3_LOAD_SYSFW
 	bool
 
+config K3_OPP_LOW
+	depends on ARCH_K3 && K3_AVS0
+	bool "Enable OPP_LOW on supported TI K3 SoCs"
+	help
+	  Enabling this will allow Socs with the proper efuse to run at a lower
+	  MPU core voltage and adjust frequency according to SoC TRM
+
 config K3_QOS
 	bool "Enable Quality of Service (QoS) Settings for TI K3 SoCs"
 	default y if SOC_K3_AM62A7
diff --git a/configs/j7200_evm_r5_defconfig b/configs/j7200_evm_r5_defconfig
index f036a6f..217759e 100644
--- a/configs/j7200_evm_r5_defconfig
+++ b/configs/j7200_evm_r5_defconfig
@@ -102,6 +102,7 @@
 CONFIG_FS_LOADER=y
 CONFIG_SPL_FS_LOADER=y
 CONFIG_K3_AVS0=y
+# CONFIG_K3_OPP_LOW is not set
 CONFIG_SUPPORT_EMMC_BOOT=y
 CONFIG_SPL_MMC_HS400_SUPPORT=y
 CONFIG_MMC_SDHCI=y