MAINTAINERS: Add myself to x4x and pineview northbridges

Change-Id: I42b1e8670f4e2ddfea7d473421e86649211eae86
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/42127
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
diff --git a/MAINTAINERS b/MAINTAINERS
index 53c36e0..8845851 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -180,6 +180,7 @@
 
 INTEL PINEVIEW CHIPSET
 M:	Damien Zammit <damien@zamaudio.com>
+M:	Angel Pons <th3fanbus@gmail.com>
 S:	Odd Fixes
 F:	src/northbridge/intel/pineview/
 
@@ -190,6 +191,7 @@
 
 INTEL X4X CHIPSET
 M:	Damien Zammit <damien@zamaudio.com>
+M:	Angel Pons <th3fanbus@gmail.com>
 S:	Odd Fixes
 F:	src/northbridge/intel/x4x/