Fix odroid issues (#556)

* Adjust kernel for C2/N2 & Kenrel 5.4.16

* Update docs

* Add script to fix mac with efuse

* Fix script

* update description

* Fix script

* Use u-boot patch

* Fix patch

buildroot-external/package/hardkernel-boot/Config.in

@@ -26,4 +26,9 @@ config BR2_PACKAGE_HARDKERNEL_BOOT_ODROID_N2
 
 endchoice
 
+config BR2_PACKAGE_HARDKERNEL_BOOT_FIX_MAC
+	bool "Hardkernel fix mac"
+	help
+	  Install script to fix the mac address.
+
 endif

buildroot-external/package/hardkernel-boot/hardkernel-boot.mk

@@ -82,7 +82,11 @@ define HARDKERNEL_BOOT_BUILD_CMDS
 		--bl33 $(@D)/fip/bl33.bin.enc \
 		--ddrfw1 $(@D)/fip/g12b/ddr4_1d.fw \
 		--ddrfw2 $(@D)/fip/g12b/ddr4_2d.fw \
+		--ddrfw3 $(@D)fip/g12b/ddr3_1d.fw \
 		--ddrfw4 $(@D)/fip/g12b/piei.fw \
+		--ddrfw5 $(@D)/fip/g12b/lpddr4_1d.fw \
+		--ddrfw6 $(@D)/fip/g12b/lpddr4_2d.fw \
+		--ddrfw7 $(@D)/fip/g12b/diag_lpddr4.fw \
 		--ddrfw8 $(@D)/fip/g12b/aml_ddr.fw \
 		--level v3