kconfig: bump to version v3.11-rc3, thx dileks (closes #2154)

git-svn-id: file:///var/svn/freetz/trunk@10915 149334a1-2f27-0410-a3b9-fc62619ac1e6
kconfig: Fix version related strings in main Makefile, thx dileks (refs #2154, refs #2157)

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Just cosmetics!
Might be good to get rid of that stuff entirely?

NOTE #1: This is a follow-up to r10915.

NOTE #2: A similiar patch was sent to olistudent and er13 via PM.

Signed-off-by: Sedat Dilek <sedat.dilek@gmail.com>

git-svn-id: file:///var/svn/freetz/trunk@10916 149334a1-2f27-0410-a3b9-fc62619ac1e6