MAINTAINERS: update Andi's e-mail to @kernel.org

Use the kernel.org e-mail for the maintainer entry
Signed-off-by: Andi Shyti <andi.shyti@kernel.org>
Link: https://lore.kernel.org/r/20230311170516.178913-1-andi.shyti@kernel.orgSigned-off-by: Mark Brown <broonie@kernel.org>

MAINTAINERS

@@ -18542,7 +18542,7 @@ F:	include/linux/clk/samsung.h
 
 SAMSUNG SPI DRIVERS
 M:	Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
-M:	Andi Shyti <andi@etezian.org>
+M:	Andi Shyti <andi.shyti@kernel.org>
 L:	linux-spi@vger.kernel.org
 L:	linux-samsung-soc@vger.kernel.org
 S:	Maintained