MAINTAINERS: Update pattern for qcom_scm

Update pattern for qcom_scm, so that get_maintainer.pl will show the
correct maintainers + lists, not only for qcom_scm.c, but also for
the files: qcom_scm-32.c, qcom_scm-64.c, qcom_scm.h.

Signed-off-by: Niklas Cassel <niklas.cassel@linaro.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>

MAINTAINERS

@@ -1812,7 +1812,7 @@ F:	drivers/spi/spi-qup.c
 F:	drivers/tty/serial/msm_serial.c
 F:	drivers/*/pm8???-*
 F:	drivers/mfd/ssbi.c
-F:	drivers/firmware/qcom_scm.c
+F:	drivers/firmware/qcom_scm*
 T:	git git://git.kernel.org/pub/scm/linux/kernel/git/agross/linux.git
 
 ARM/RADISYS ENP2611 MACHINE SUPPORT