configs: am64x_evm_r5_defconfig: Fix CONFIG_SPL_TEXT_BASE to 0x70000000

CONFIG_SPL_TEXT_BASE was set to 0x70000000 in the commit,
"26f32c32 configs: am64x_evm_*_defconfig: Rearrange the components in
SRAM to satisfy the limitations for USB DFU boot mode". This change seems
to have been dropped during a merge commit.

Therefore, fix this by setting CONFIG_SPL_TEXT_BASE to 0x70000000.

Signed-off-by: Aswath Govindraju <a-govindraju@ti.com>
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Link: https://lore.kernel.org/r/20210726145840.18977-1-a-govindraju@ti.com

configs/am64x_evm_r5_defconfig

@@ -11,7 +11,7 @@ CONFIG_SYS_SPI_U_BOOT_OFFS=0x80000
 CONFIG_DM_GPIO=y
 CONFIG_SPL_DM_SPI=y
 CONFIG_DEFAULT_DEVICE_TREE="k3-am642-r5-evm"
-CONFIG_SPL_TEXT_BASE=0x70020000
+CONFIG_SPL_TEXT_BASE=0x70000000
 CONFIG_SPL_MMC_SUPPORT=y
 CONFIG_SPL_SERIAL_SUPPORT=y
 CONFIG_SPL_DRIVERS_MISC_SUPPORT=y