MAINTAINERS: add MT7621 CLOCK maintainer

Adding myself as maintainer for mt7621 clock driver.

Signed-off-by: Sergio Paracuellos <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Stephen Boyd <[email protected]>

Author: paraka

MAINTAINERS

@@ -11295,6 +11295,12 @@ L:	[email protected]
 S:	Maintained
 F:	drivers/net/wireless/mediatek/mt7601u/
 
+MEDIATEK MT7621 CLOCK DRIVER
+M:	Sergio Paracuellos <[email protected]>
+S:	Maintained
+F:	Documentation/devicetree/bindings/clock/mediatek,mt7621-sysc.yaml
+F:	drivers/clk/ralink/clk-mt7621.c
+
 MEDIATEK MT7621/28/88 I2C DRIVER
 M:	Stefan Roese <[email protected]>
 L:	[email protected]