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

MAINTAINERS

@@ -3267,6 +3267,7 @@ W:	http://tpmdd.sourceforge.net
 P:	Marcel Selhorst
 M:	tpm@selhorst.net
 W:	http://www.prosec.rub.de/tpm/
+L:	tpmdd-devel@lists.sourceforge.net
 S:	Maintained
 
 Telecom Clock Driver for MCPL0010