cmd: move CONFIG_CMD_UNZIP and CONFIG_CMD_ZIP to Kconfig

CONFIG_CMD_ZIP is not defined by any board.  I am moving
CONFIG_CMD_UNZIP to defconfig files except UniPhier SoC family.

I am the maintainer of UniPhier platform, so I know "select CMD_UNZIP"
is better for this platform.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Acked-by: Michal Simek <michal.simek@xilinx.com>
Acked-by: Stefan Roese <sr@denx.de>
Acked-by: Ryan Harkin <ryan.harkin@linaro.org>
Tested-by: Ryan Harkin <ryan.harkin@linaro.org>
diff --git a/arch/arm/mach-uniphier/Kconfig b/arch/arm/mach-uniphier/Kconfig
index cd9ba6b..5739325 100644
--- a/arch/arm/mach-uniphier/Kconfig
+++ b/arch/arm/mach-uniphier/Kconfig
@@ -13,6 +13,7 @@
 config ARCH_UNIPHIER_64BIT
 	bool
 	select ARM64
+	select CMD_UNZIP
 	select SPL_SEPARATE_BSS if SPL
 	select ARMV8_MULTIENTRY if SPL
 	select ARMV8_SPIN_TABLE if SPL