ARM: tegra: support SKU 7 of Tegra20

Make U-Boot aware of the Tegra20 SKU 7, and treat it identically
to any other Tegra20.

My Whistler board has a SoC with this SKU.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Tom Warren <twarren@nvidia.com>

arch/arm/cpu/tegra-common/ap.c

@@ -72,6 +72,7 @@ int tegra_get_chip_sku(void)
 	switch (chip_id) {
 	case CHIPID_TEGRA20:
 		switch (sku_id) {
+		case SKU_ID_T20_7:
 		case SKU_ID_T20:
 			return TEGRA_SOC_T20;
 		case SKU_ID_T25SE:

arch/arm/include/asm/arch-tegra/tegra.h

@@ -72,6 +72,7 @@ struct timerus {
 
 /* These are the available SKUs (product types) for Tegra */
 enum {
+	SKU_ID_T20_7		= 0x7,
 	SKU_ID_T20		= 0x8,
 	SKU_ID_T25SE		= 0x14,
 	SKU_ID_AP25		= 0x17,