ARM: mvebu: helios4 adjust env sizes to enable SPI to work

mirror the clearfog setup to enable SPI to work

Signed-off-by: Dennis Gilmore <dennis@ausil.us>

board/kobol/helios4/Kconfig

@@ -0,0 +1,24 @@
+menu "Helios4 configuration"
+	depends on TARGET_HELIOS4
+
+config ENV_SIZE
+	hex "Environment Size"
+	default 0x10000
+
+config ENV_OFFSET
+	hex "Environment offset"
+	default 0xF0000
+
+config ENV_SECT_SIZE
+	hex "Environment Sector-Size"
+	# Use SPI or SATA flash erase block size of 4 KiB
+	default 0x1000 if MVEBU_SPL_BOOT_DEVICE_SPI || MVEBU_SPL_BOOT_DEVICE_SATA
+	# Use optimistic 64 KiB erase block, will vary between actual media
+	default 0x10000 if MVEBU_SPL_BOOT_DEVICE_MMC || MVEBU_SPL_BOOT_DEVICE_UART
+
+config SYS_SPI_U_BOOT_OFFS
+	hex "address of u-boot payload in SPI flash"
+	default 0x20000
+	depends on MVEBU_SPL_BOOT_DEVICE_SPI
+
+endmenu