MAINTAINERS: Switch hdaps to Frank Seidel

As Rovert Love doesn't any more seem to be realy active on hdaps
driver i'll happily take it over.

Signed-off-by: Frank Seidel <frank@f-seidel.de>
Cc: Robert Love <rlove@rlove.org>
Signed-off-by: Jean Delvare <khali@linux-fr.org>