Convert CONFIG_BZIP2 et al to Kconfig

This converts the following to Kconfig:
   CONFIG_BZIP2
   CONFIG_GZIP
   CONFIG_LZO
   CONFIG_ZLIB
   CONFIG_LZMA
   CONFIG_LZO

Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/configs/cougarcanyon2_defconfig b/configs/cougarcanyon2_defconfig
index aac8a39..4cb7344 100644
--- a/configs/cougarcanyon2_defconfig
+++ b/configs/cougarcanyon2_defconfig
@@ -46,3 +46,4 @@
 CONFIG_USB_STORAGE=y
 CONFIG_USB_KEYBOARD=y
 # CONFIG_VIDEO_VESA is not set
+# CONFIG_GZIP is not set