configs: verdin-am62: Drop unused or redundant config options

Several Kconfig options are enabled but unused or unnecessary for our
use case. These include features such as SPL FAT support, YMODEM, and
USB keyboard. Some R5-specific configurations are not used at all,
as U-Boot proper is not executed on that core.

Cleaning them up helps reduce build size and simplifies maintenance.

Signed-off-by: Emanuele Ghidoli <emanuele.ghidoli@toradex.com>
Reviewed-by: Francesco Dolcini <francesco.dolcini@toradex.com>
diff --git a/configs/verdin-am62_a53_defconfig b/configs/verdin-am62_a53_defconfig
index 4bdcb4b..c299c9f 100644
--- a/configs/verdin-am62_a53_defconfig
+++ b/configs/verdin-am62_a53_defconfig
@@ -1,5 +1,4 @@
 CONFIG_ARM=y
-CONFIG_SKIP_LOWLEVEL_INIT=y
 CONFIG_ARCH_K3=y
 CONFIG_SYS_MALLOC_LEN=0x2000000
 CONFIG_SYS_MALLOC_F_LEN=0x8000
@@ -28,8 +27,6 @@
 CONFIG_SYS_LOAD_ADDR=0x88200000
 CONFIG_SPL_SIZE_LIMIT=0x40000
 CONFIG_SPL_SIZE_LIMIT_PROVIDE_STACK=0x800
-CONFIG_SPL_FS_FAT=y
-CONFIG_SPL_LIBDISK_SUPPORT=y
 CONFIG_SYS_MEMTEST_START=0x80000000
 CONFIG_SYS_MEMTEST_END=0xB0000000
 # CONFIG_SYS_MALLOC_CLEAR_ON_INIT is not set
@@ -53,13 +50,11 @@
 CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR=0x1400
 CONFIG_SPL_DMA=y
 CONFIG_SPL_ENV_SUPPORT=y
-CONFIG_SPL_FS_LOAD_PAYLOAD_NAME="u-boot.img"
 CONFIG_SPL_I2C=y
 CONFIG_SPL_DM_MAILBOX=y
 CONFIG_SPL_POWER_DOMAIN=y
 CONFIG_SPL_RAM_DEVICE=y
 CONFIG_SPL_THERMAL=y
-CONFIG_SPL_YMODEM_SUPPORT=y
 CONFIG_SYS_PROMPT="Verdin AM62 # "
 CONFIG_CMD_ADTIMG=y
 CONFIG_CMD_ASKENV=y
@@ -192,8 +187,6 @@
 CONFIG_SPL_USB_DWC3_GENERIC=y
 CONFIG_SPL_USB_DWC3_AM62=y
 CONFIG_USB_DWC3_AM62=y
-CONFIG_USB_KEYBOARD=y
-CONFIG_USB_HOST_ETHER=y
 CONFIG_USB_GADGET=y
 CONFIG_SPL_USB_GADGET=y
 CONFIG_USB_GADGET_MANUFACTURER="Toradex"
diff --git a/configs/verdin-am62_r5_defconfig b/configs/verdin-am62_r5_defconfig
index f9580e6..6d662f2 100644
--- a/configs/verdin-am62_r5_defconfig
+++ b/configs/verdin-am62_r5_defconfig
@@ -47,14 +47,8 @@
 CONFIG_SPL_DM_RESET=y
 CONFIG_SPL_POWER_DOMAIN=y
 CONFIG_SPL_RAM_DEVICE=y
-CONFIG_SPL_YMODEM_SUPPORT=y
-CONFIG_HUSH_PARSER=y
-CONFIG_CMD_ASKENV=y
 CONFIG_CMD_DFU=y
-CONFIG_CMD_GPT=y
-CONFIG_CMD_MMC=y
 # CONFIG_CMD_SETEXPR is not set
-CONFIG_CMD_TIME=y
 CONFIG_OF_CONTROL=y
 CONFIG_SPL_OF_CONTROL=y
 CONFIG_SPL_MULTI_DTB_FIT=y