Add initrd support to all kernel configs.

chromeos/config/armel/config.common.armel

Index: chromeos/config/armel/config.common.armel
diff --git a/chromeos/config/armel/config.common.armel b/chromeos/config/armel/config.common.armel
index a48ac1aff24f1dc84e0699b75c8b30bd1e26e879..ccd5d16a512dfa579a95a799f4bff3b91e72c8ed 100644
--- a/chromeos/config/armel/config.common.armel
+++ b/chromeos/config/armel/config.common.armel
@@ -62,7 +62,6 @@ CONFIG_ARM_UNWIND=y
 # CONFIG_BACKLIGHT_LCD_SUPPORT is not set
 # CONFIG_BINFMT_MISC is not set
 # CONFIG_BLK_DEV_BSG is not set
-CONFIG_BLK_DEV_INITRD=y
 # CONFIG_BLK_DEV_IO_TRACE is not set
 # CONFIG_BOOT_TRACER is not set
 CONFIG_BRANCH_PROFILE_NONE=y
@@ -116,7 +115,6 @@ CONFIG_DEBUG_MUTEXES=y
 CONFIG_DEBUG_SPINLOCK_SLEEP=y
 # CONFIG_DEBUG_STACK_USAGE is not set
 CONFIG_DECOMPRESS_BZIP2=y
-CONFIG_DECOMPRESS_GZIP=y
 CONFIG_DECOMPRESS_LZMA=y
 CONFIG_DEFAULT_SECURITY=""
 CONFIG_DEFAULT_SECURITY_DAC=y
@@ -156,7 +154,6 @@ CONFIG_HID_WACOM=m
 # CONFIG_I2C_OCORES is not set
 # CONFIG_I2C_PCA_PLATFORM is not set
 # CONFIG_I2C_SIMTEC is not set
-CONFIG_INITRAMFS_SOURCE=""
 # CONFIG_INPUT_ATI_REMOTE is not set
 # CONFIG_INPUT_ATI_REMOTE2 is not set
 # CONFIG_INPUT_CM109 is not set
@@ -217,7 +214,6 @@ CONFIG_PREEMPT=y
 # CONFIG_PROFILE_ANNOTATED_BRANCHES is not set
 # CONFIG_PROFILING is not set
 CONFIG_RD_BZIP2=y
-CONFIG_RD_GZIP=y
 CONFIG_RD_LZMA=y
 # CONFIG_RELAY is not set
 # CONFIG_RFKILL is not set