MAINTAINERS: Update the Spreadtrum SoC maintainer

Change my email address, and add more Spreadtrum SC27xx series PMIC
drivers to maintain.

Link: https://lore.kernel.org/r/a48483d13243450ecf3b777d49e741b6367f2c6b.1571881956.git.baolin.wang@linaro.orgSigned-off-by: Baolin Wang <baolin.wang@linaro.org>
Signed-off-by: Olof Johansson <olof@lixom.net>

MAINTAINERS

@@ -2327,11 +2327,13 @@ F:	drivers/edac/altera_edac.
 
 ARM/SPREADTRUM SoC SUPPORT
 M:	Orson Zhai <orsonzhai@gmail.com>
-M:	Baolin Wang <baolin.wang@linaro.org>
+M:	Baolin Wang <baolin.wang7@gmail.com>
 M:	Chunyan Zhang <zhang.lyra@gmail.com>
 S:	Maintained
 F:	arch/arm64/boot/dts/sprd
 N:	sprd
+N:	sc27xx
+N:	sc2731
 
 ARM/STI ARCHITECTURE
 M:	Patrice Chotard <patrice.chotard@st.com>