Trim down U-Boot configuration

os/config/uboot_redpitaya_puzzlefw_defconfig

@@ -24,6 +24,8 @@ CONFIG_FIT_VERBOSE=y
 CONFIG_SPL_FIT_PRINT=y
 CONFIG_SPL_LOAD_FIT=y
 CONFIG_SPL_LOAD_FIT_ADDRESS=0x10000000
+# CONFIG_BOOTMETH_EXTLINUX is not set
+# CONFIG_BOOTMETH_VBE is not set
 CONFIG_LEGACY_IMAGE_FORMAT=y
 # CONFIG_ARCH_FIXUP_FDT_MEMORY is not set
 CONFIG_DISTRO_DEFAULTS=y
@@ -47,10 +49,12 @@ CONFIG_SYS_SPI_U_BOOT_OFFS=0x100000
 CONFIG_SYS_MAXARGS=32
 CONFIG_SYS_PBSIZE=2071
 # CONFIG_BOOTM_NETBSD is not set
+# CONFIG_BOOTM_PLAN9 is not set
+# CONFIG_BOOTM_RTEMS is not set
+# CONFIG_BOOTM_VXWORKS is not set
 CONFIG_SYS_BOOTM_LEN=0x3c00000
 CONFIG_CMD_IMLS=y
-CONFIG_CMD_THOR_DOWNLOAD=y
+# CONFIG_CMD_SPL is not set
-CONFIG_THOR_RESET_OFF=y
 CONFIG_CMD_GREPENV=y
 CONFIG_CMD_MEMTEST=y
 CONFIG_SYS_ALT_MEMTEST=y
@@ -65,11 +69,7 @@ CONFIG_CMD_MMC=y
 CONFIG_CMD_MTD=y
 CONFIG_CMD_NAND_LOCK_UNLOCK=y
 CONFIG_CMD_SF_TEST=y
-CONFIG_CMD_USB=y
-CONFIG_BOOTP_MAY_FAIL=y
-CONFIG_CMD_TFTPPUT=y
 CONFIG_CMD_CACHE=y
-CONFIG_CMD_EFIDEBUG=y
 CONFIG_CMD_TIME=y
 CONFIG_CMD_TIMER=y
 CONFIG_CMD_EXT4_WRITE=y
@@ -78,17 +78,13 @@ CONFIG_CMD_MTDPARTS=y
 CONFIG_CMD_MTDPARTS_SPREAD=y
 CONFIG_CMD_MTDPARTS_SHOW_NET_SIZES=y
 CONFIG_CMD_UBI=y
+# CONFIG_ISO_PARTITION is not set
 CONFIG_OF_BOARD=y
 CONFIG_OF_LIST="zynq-zc702 zynq-zc706 zynq-zc770-xm010 zynq-zc770-xm011 zynq-zc770-xm011-x16 zynq-zc770-xm012 zynq-zc770-xm013 zynq-cc108 zynq-microzed zynq-minized zynq-picozed zynq-zed zynq-zturn zynq-zturn-v5 zynq-zybo zynq-zybo-z7 zynq-dlc20-rev1.0 redpitaya"
 CONFIG_SYS_RELOC_GD_ENV_ADDR=y
-CONFIG_NET_RANDOM_ETHADDR=y
+# CONFIG_NET is not set
-CONFIG_NETCONSOLE=y
-CONFIG_SYS_FAULT_ECHO_LINK_DOWN=y
 CONFIG_SPL_DM_SEQ_ALIAS=y
-CONFIG_DFU_TIMEOUT=y
+CONFIG_SET_DFU_ALT_INFO=y
-CONFIG_DFU_MMC=y
-CONFIG_DFU_RAM=y
-CONFIG_DFU_SF=y
 CONFIG_SYS_DFU_DATA_BUF_SIZE=0x600000
 CONFIG_FPGA_XILINX=y
 CONFIG_FPGA_ZYNQPL=y
@@ -117,31 +113,12 @@ CONFIG_SPI_FLASH_SPANSION=y
 CONFIG_SPI_FLASH_STMICRO=y
 CONFIG_SPI_FLASH_SST=y
 CONFIG_SPI_FLASH_WINBOND=y
-CONFIG_PHY_MARVELL=y
-CONFIG_PHY_MICREL=y
-CONFIG_PHY_MICREL_KSZ90X1=y
-CONFIG_PHY_REALTEK=y
-CONFIG_PHY_XILINX=y
-CONFIG_DM_ETH_PHY=y
-CONFIG_MII=y
-CONFIG_ZYNQ_GEM=y
 CONFIG_ARM_DCC=y
 CONFIG_ZYNQ_SERIAL=y
 CONFIG_ZYNQ_SPI=y
 CONFIG_ZYNQ_QSPI=y
-CONFIG_USB=y
-CONFIG_USB_EHCI_HCD=y
-CONFIG_USB_ULPI_VIEWPORT=y
-CONFIG_USB_ULPI=y
-CONFIG_USB_GADGET=y
-CONFIG_USB_GADGET_MANUFACTURER="Xilinx"
-CONFIG_USB_GADGET_VENDOR_NUM=0x03fd
-CONFIG_USB_GADGET_PRODUCT_NUM=0x0300
-CONFIG_CI_UDC=y
-CONFIG_USB_GADGET_DOWNLOAD=y
-CONFIG_USB_FUNCTION_THOR=y
 CONFIG_SYS_TIMER_COUNTS_DOWN=y
+CONFIG_REGEX=y
 CONFIG_SPL_GZIP=y
-CONFIG_EFI_RUNTIME_UPDATE_CAPSULE=y
+# CONFIG_EFI_LOADER is not set
-CONFIG_EFI_CAPSULE_FIRMWARE_RAW=y
 CONFIG_TOOLS_MKEFICAPSULE=y