MAINTAINERS: git://github.com -> https://github.com for HiSilicon

Github deprecated the git:// links about a year ago, so let's move to
the https:// URLs instead.
Reported-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://github.blog/2021-09-01-improving-git-protocol-security-github/Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
Signed-off-by: Wei Xu <xuwei5@hisilicon.com>

MAINTAINERS

@@ -2197,7 +2197,7 @@ M:	Wei Xu <xuwei5@hisilicon.com>
 L:	linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
 S:	Supported
 W:	http://www.hisilicon.com
-T:	git git://github.com/hisilicon/linux-hisi.git
+T:	git https://github.com/hisilicon/linux-hisi.git
 F:	arch/arm/boot/dts/hi3*
 F:	arch/arm/boot/dts/hip*
 F:	arch/arm/boot/dts/hisi*