cobalt: do not build userland with support for mips1

Without specifying -march gcc uses -march=mips1 by default, but that 
causes problems when compiling openssl. Use -march=r5000 instead to 
compile a userland optimized for the CPU used on this device.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>


git-svn-id: svn://svn.openwrt.org/openwrt/trunk@38386 3c298f89-4303-0410-b956-a3cf2f4a3e73
switch: remove old switch driver

The switch driver is not used by brcm47xx any more and can be removed, 
instead of this switch driver b53 is used now.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>


git-svn-id: svn://svn.openwrt.org/openwrt/trunk@38387 3c298f89-4303-0410-b956-a3cf2f4a3e73
brcm47xx: activate ARP daemon support

This just add some bytes to the kernel and is activated on other targets.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>


git-svn-id: svn://svn.openwrt.org/openwrt/trunk@38388 3c298f89-4303-0410-b956-a3cf2f4a3e73
iputils: do not compile this for brcm47xx with -O2

ping is now working for me with -Os on brcm47xx.
This revert r26278.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>


git-svn-id: svn://svn.openwrt.org/openwrt/trunk@38389 3c298f89-4303-0410-b956-a3cf2f4a3e73