Revert "MAINTAINERS: remove invalid list address for TPM"

This reverts commit b6d1c9a4

.

Others tell me that this address has worked for them, so I can only
assume that I hit a glitch in the sourceforge mail system.

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Cc: Kylene Hall <kjhall@us.ibm.com>
Cc: Marcel Selhorst <tpm@selhorst.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>