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/chromebook_link_defconfig b/configs/chromebook_link_defconfig
index de4186c..3d51ec9 100644
--- a/configs/chromebook_link_defconfig
+++ b/configs/chromebook_link_defconfig
@@ -68,4 +68,5 @@
 CONFIG_CONSOLE_SCROLL_LINES=5
 CONFIG_CMD_DHRYSTONE=y
 CONFIG_TPM=y
+# CONFIG_GZIP is not set
 # CONFIG_EFI_LOADER is not set