mach-omap2: Cleanup secure boot media generation

Currently all secure media types of SPL are generated for all platforms,
all platforms do not need all types, only generate the media types valid
for each platform.

Signed-off-by: Andrew F. Davis <afd@ti.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
Tested-by: Lokesh Vutla <lokeshvutla@ti.com>

arch/arm/mach-omap2/config.mk

@@ -6,34 +6,52 @@
 include  $(srctree)/arch/arm/mach-omap2/config_secure.mk
 
 ifdef CONFIG_SPL_BUILD
-ifeq ($(CONFIG_TI_SECURE_DEVICE),y)
+ifeq ($(CONFIG_TI_SECURE_DEVICE),y) # Refer to README.ti-secure for more info
+# On DRA7xx/AM57xx:
+#
+# For booting spl from SD/MMC/eMMC use
+# u-boot-spl_HS_MLO
 #
-# For booting from SPI use
-# u-boot-spl_HS_SPI_X-LOADER to program flash
+# For booting spl over UART or USB use
+# u-boot-spl_HS_ULO
 #
+# For booting spl from QSPI or NOR use
+# u-boot-spl_HS_X-LOADER
+ifeq ($(CONFIG_OMAP54XX),y)
+ALL-y += u-boot-spl_HS_MLO
+ALL-y += u-boot-spl_HS_ULO
+ALL-y += u-boot-spl_HS_X-LOADER
+endif
 # On AM43XX:
 #
+# For booting spl from SPI flash use
+# u-boot-spl_HS_SPI_X-LOADER
+#
 # For booting spl from all other media use
 # u-boot-spl_HS_ISSW
-#
+ifeq ($(CONFIG_AM43XX),y)
+ALL-y += u-boot-spl_HS_SPI_X-LOADER
+ALL-y += u-boot-spl_HS_ISSW
+endif
 # On AM33XX:
 #
-# For booting spl from NAND flash use
+# For booting spl from SPI flash use
+# u-boot-spl_HS_SPI_X-LOADER
+#
+# For booting spl from NAND flash or raw SD/MMC/eMMC use
 # u-boot-spl_HS_X-LOADER
 #
-# For booting spl from SD/MMC/eMMC media use
+# For booting spl from a filesystem on SD/MMC/eMMC use
 # u-boot-spl_HS_MLO
 #
 # For booting spl over UART, USB, or Ethernet use
 # u-boot-spl_HS_2ND
-#
-# Refer to README.ti-secure for more info
-#
-ALL-y += u-boot-spl_HS_ISSW
+ifeq ($(CONFIG_AM33XX),y)
 ALL-y += u-boot-spl_HS_SPI_X-LOADER
 ALL-y += u-boot-spl_HS_X-LOADER
 ALL-y += u-boot-spl_HS_MLO
 ALL-y += u-boot-spl_HS_2ND
+endif
 else
 ALL-y += MLO
 ifeq ($(CONFIG_AM33XX),y)