Merge tag 'efi-next' of https://source.denx.de/u-boot/custodians/u-boot-efi into next

Pull request for efi-next

New:
	provide EFI ESRT table
	initrd via Load_File2_Protocol uses boot options
	create an S-CRTM event for measured boot

Bug fixes:
	avoid double free of SPI device in dfu_free_entity()
	avoid memory leak in TCG2 protocol