No longer use parameter "-r" (for regex intervals) that busybox awk does not support

Error was:
awk: invalid option -- r

Note: regex intervals are supported by default so we can just omit "-r" here

ChangeLog

@@ -5,6 +5,10 @@
 # Distributed under the GPL v2
 # $Id$
 
+  16 Mar 2012; Sebastian Pipping <sping@gentoo.org> defaults/initrd.scripts:
+  No longer use parameter "-r" (for regex intervals) that busybox awk does not
+  support
+
   10 Mar 2012; Robin H. Johnson <robbat2@gentoo.org> genkernel:
   Bump version for release.
 

defaults/initrd.scripts

@@ -149,7 +149,7 @@ devicelist(){
 	DEVICES="$DEVICES /dev/mmcblk* /dev/mmcblk*/*"
 	# fallback scanning, this might scan something twice, but it's better than
 	# failing to boot.
-	[ -e /proc/partitions ] && DEVICES="${DEVICES} $(awk -r '/([0-9]+[[:space:]]+)/{print "/dev/" $4}' /proc/partitions)"
+	[ -e /proc/partitions ] && DEVICES="${DEVICES} $(awk '/([0-9]+[[:space:]]+)/{print "/dev/" $4}' /proc/partitions)"
 	echo ${DEVICES}
 }