Merge tag 'xilinx-for-v2020.07' of https://gitlab.denx.de/u-boot/custodians/u-boot-microblaze into next

Xilinx changes for v2020.07

common:
- Align ENV_FAT_INTERFACE
- Fix MAC address source print log
- Improve based autodetection code

xilinx:
- Enable netconsole

Microblaze:
- Setup default ENV_OFFSET/ENV_SECT_SIZE

Zynq:
- Multiple DT updates/fixes
- Use DEVICE_TREE environment variable for DTB selection
- Switch to single zynq configuration
- Enable NOR flash via DM
- Minor SPL print removal
- Enable i2c mux driver

ZynqMP:
- Print multiboot register
- Enable cache commands in mini mtest
- Multiple DT updates/fixes
- Fix firmware probing when driver is not enabled
- Specify 3rd backup RAM boot mode in SPL
- Add SPL support for zcu102 v1.1 and zcu111 revA
- Redesign debug uart enabling and psu_init delay
- Enable full u-boot run from EL3
- Enable u-boot.itb generation without ATF with U-Boot in EL3

Versal:
- Enable distro default
- Enable others SPI flashes
- Enable systems without DDR

Drivers:
- Gem:
  - Flush memory after freeing
  - Handle mdio bus separately
- Watchdog:
  - Get rid of unused global data pointer
  - Enable window watchdog timer
- Serial:
  - Change reinitialization logic in zynq serial driver

Signed-off-by: Tom Rini <trini@konsulko.com>

Kconfig

@@ -111,6 +111,7 @@ config ENV_VARS_UBOOT_CONFIG
 
 config NR_DRAM_BANKS
 	int "Number of DRAM banks"
+	default 1 if ARCH_SUNXI
 	default 4
 	help
 	  This defines the number of DRAM banks.
@@ -294,6 +295,11 @@ config ERR_PTR_OFFSET
 	  pointer values - up to 'MAX_ERRNO' bytes below this value must be
 	  unused/invalid addresses.
 
+config PLATFORM_ELFENTRY
+	string
+	default "__start" if MIPS
+	default "_start"
+
 endmenu		# General setup
 
 menu "Boot images"