MAINTAINERS: Add myself for ARM32 BPF JIT maintainer.

As Shubham has been inactive since 2017, Add myself for ARM32 BPF JIT.
Signed-off-by: Puranjay Mohan <puranjay12@gmail.com>
Link: https://lore.kernel.org/r/20230907230550.1417590-10-puranjay12@gmail.comSigned-off-by: Alexei Starovoitov <ast@kernel.org>

MAINTAINERS

@@ -3596,9 +3596,10 @@ F:	Documentation/devicetree/bindings/iio/accel/bosch,bma400.yaml
 F:	drivers/iio/accel/bma400*
 
 BPF JIT for ARM
-M:	Shubham Bansal <illusionist.neo@gmail.com>
+M:	Russell King <linux@armlinux.org.uk>
+M:	Puranjay Mohan <puranjay12@gmail.com>
 L:	bpf@vger.kernel.org
-S:	Odd Fixes
+S:	Maintained
 F:	arch/arm/net/
 
 BPF JIT for ARM64