ARM: am57xx_evm: Enable QSPI support

AM571x IDK and AM572x IDK EVMs have spansion s25fl256s QSPI flash on the
board connected to TI QSPI IP over CS0. Therefore enable QSPI support.

Signed-off-by: Vignesh R <vigneshr@ti.com>
Reviewed-by: Mugunthan V N <mugunthanvnm@ti.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Jagan Teki <jteki@openedev.com>
diff --git a/configs/am57xx_hs_evm_defconfig b/configs/am57xx_hs_evm_defconfig
index 2ccb332..a4bfdd5 100644
--- a/configs/am57xx_hs_evm_defconfig
+++ b/configs/am57xx_hs_evm_defconfig
@@ -43,3 +43,8 @@
 CONFIG_SPL_FIT_IMAGE_POST_PROCESS=y
 CONFIG_OF_LIST="am57xx-beagle-x15"
 CONFIG_DM_I2C=y
+CONFIG_DM_SPI=y
+CONFIG_DM_SPI_FLASH=y
+CONFIG_SPI_FLASH_SPANSION=y
+CONFIG_TI_QSPI=y
+CONFIG_CMD_SF=y