env: Sort selection of default choices

It would be easier to catch out which platform is using which default.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>

env/Kconfig

@@ -3,25 +3,25 @@ menu "Environment"
 choice
 	prompt "Select the location of the environment"
 	default ENV_IS_IN_MMC if ARCH_SUNXI
-	default ENV_IS_IN_FAT if ARCH_BCM283X
 	default ENV_IS_IN_MMC if ARCH_UNIPHIER
 	default ENV_IS_IN_MMC if ARCH_EXYNOS4
 	default ENV_IS_IN_MMC if MX6SX || MX7D
-	default ENV_IS_IN_FLASH if ARCH_CINTEGRATOR
-	default ENV_IS_IN_SPI_FLASH if ARMADA_XP
 	default ENV_IS_IN_MMC if TEGRA30 || TEGRA124
 	default ENV_IS_IN_MMC if TEGRA_ARMV8_COMMON
+	default ENV_IS_IN_FLASH if ARCH_CINTEGRATOR
 	default ENV_IS_IN_FLASH if ARCH_INTEGRATOR_CP
 	default ENV_IS_IN_FLASH if M548x || M547x || M5282 || MCF547x_8x
 	default ENV_IS_IN_FLASH if MCF532x || MCF52x2
 	default ENV_IS_IN_FLASH if MPC86xx || MPC83xx
 	default ENV_IS_IN_FLASH if ARCH_MPC8572 || ARCH_MPC8548 || ARCH_MPC8641
 	default ENV_IS_IN_FLASH if SH && !CPU_SH4
+	default ENV_IS_IN_SPI_FLASH if ARMADA_XP
 	default ENV_IS_IN_SPI_FLASH if INTEL_BAYTRAIL
 	default ENV_IS_IN_SPI_FLASH if INTEL_BROADWELL
 	default ENV_IS_IN_SPI_FLASH if NORTHBRIDGE_INTEL_IVYBRIDGE
 	default ENV_IS_IN_SPI_FLASH if INTEL_QUARK
 	default ENV_IS_IN_SPI_FLASH if INTEL_QUEENSBAY
+	default ENV_IS_IN_FAT if ARCH_BCM283X
 	default ENV_IS_IN_FAT if MMC_OMAP_HS && TI_COMMON_CMD_OPTIONS
 	default ENV_IS_NOWHERE
 	help