Merge branch '2021.04-rc' of https://github.com/lftan/u-boot

- Add ATF flow for SoC64 devices
- Update socfpgaimage to support print header and update padding flow
diff --git a/board/altera/stratix10-socdk/MAINTAINERS b/board/altera/stratix10-socdk/MAINTAINERS
index 6192bc9..6efd0cf 100644
--- a/board/altera/stratix10-socdk/MAINTAINERS
+++ b/board/altera/stratix10-socdk/MAINTAINERS
@@ -4,4 +4,5 @@
 S:	Maintained
 F:	board/altera/stratix10-socdk/
 F:	include/configs/socfpga_stratix10_socdk.h
+F:	configs/socfpga_stratix10_atf_defconfig
 F:	configs/socfpga_stratix10_defconfig
diff --git a/board/intel/agilex-socdk/MAINTAINERS b/board/intel/agilex-socdk/MAINTAINERS
index b8e28f0..18edbdc 100644
--- a/board/intel/agilex-socdk/MAINTAINERS
+++ b/board/intel/agilex-socdk/MAINTAINERS
@@ -4,4 +4,5 @@
 S:	Maintained
 F:	board/intel/agilex-socdk/
 F:	include/configs/socfpga_agilex_socdk.h
+F:	configs/socfpga_agilex_atf_defconfig
 F:	configs/socfpga_agilex_defconfig