- enable on mipsel (closes: #4027)
- set a reasonable max heap size for embedded devices (closes: #3157)
can always be overridden with cmdline args
- add dependency on libptread
- remove duplicate use of TARGET_CFLAGS
- bump release number
git-svn-id: svn://svn.openwrt.org/openwrt/packages@12656 3c298f89-4303-0410-b956-a3cf2f4a3e73
