MAINTAINERS: fix ptp ocp driver maintainers address

While checking the latest series for ptp_ocp driver I realised that
MAINTAINERS file has wrong item about email on linux.dev domain.

Fixes: 795fd93 ("ptp_ocp: adjust MAINTAINERS and mailmap")
Signed-off-by: Vadim Fedorenko <[email protected]>
Reviewed-by: Simon Horman <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Jakub Kicinski <[email protected]>

Author: Vadim Fedorenko

MAINTAINERS

@@ -17119,7 +17119,7 @@ F:	include/dt-bindings/
 
 OPENCOMPUTE PTP CLOCK DRIVER
 M:	Jonathan Lemon <[email protected]>
-M:	Vadim Fedorenko <vadfed@linux.dev>
+M:	Vadim Fedorenko <vadim.fedorenko@linux.dev>
 L:	[email protected]
 S:	Maintained
 F:	drivers/ptp/ptp_ocp.c