MAINTAINERS: add myself as smbx charger driver maintainer

Missed when this originally went upstream, add myself to the MAINTAINERS
file for this driver.

Signed-off-by: Casey Connolly <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Sebastian Reichel <[email protected]>

Author: kcxt

MAINTAINERS

@@ -20523,6 +20523,13 @@ S:	Maintained
 F:	Documentation/devicetree/bindings/mtd/qcom,nandc.yaml
 F:	drivers/mtd/nand/raw/qcom_nandc.c
 
+QUALCOMM SMB CHARGER DRIVER
+M:	Casey Connolly <[email protected]>
+L:	[email protected]
+S:	Maintained
+F:	Documentation/devicetree/bindings/power/supply/qcom,pmi8998-charger.yaml
+F:	drivers/power/supply/qcom_smbx_charger.c
+
 QUALCOMM QSEECOM DRIVER
 M:	Maximilian Luz <[email protected]>
 L:	[email protected]