configs: am62x_evm_*: Correct SPI configuration option

In f422c4bec the configuration option to support s28hs512t SPI flashes
was changed from CONFIG_SPI_FLASH_S28HS512T to CONFIG_SPI_FLASH_S28HX_T
to support the wider family. Follow this change in the AM62x EVM
configurations.

Signed-off-by: Sjoerd Simons <sjoerd@collabora.com>
Reviewed-by: Dhruva Gole <d-gole@ti.com>
diff --git a/configs/am62x_evm_a53_defconfig b/configs/am62x_evm_a53_defconfig
index e6ffd16..94de1ea 100644
--- a/configs/am62x_evm_a53_defconfig
+++ b/configs/am62x_evm_a53_defconfig
@@ -71,7 +71,7 @@
 CONFIG_SPI_FLASH_SOFT_RESET=y
 CONFIG_SPI_FLASH_SOFT_RESET_ON_BOOT=y
 CONFIG_SPI_FLASH_SPANSION=y
-CONFIG_SPI_FLASH_S28HS512T=y
+CONFIG_SPI_FLASH_S28HX_T=y
 CONFIG_PINCTRL=y
 CONFIG_SPL_PINCTRL=y
 CONFIG_PINCTRL_SINGLE=y