Maintainers.txt: update Gary's email address

Update Gary's email address from HPE to SUSE.

Cc: Ard Biesheuvel <ardb+tianocore@kernel.org>
Cc: Jiewen Yao <jiewen.yao@intel.com>
Cc: Jordan Justen <jordan.l.justen@intel.com>
Cc: Gerd Hoffmann <kraxel@redhat.com>
Cc: Michael D Kinney <michael.d.kinney@intel.com>
Signed-off-by: Gary Lin <glin@suse.com>
Reviewed-by: Michael D Kinney <michael.d.kinney@intel.com>

Maintainers.txt

@@ -559,7 +559,7 @@ R: Abner Chang <abner.chang@amd.com> [changab]
 
 OvmfPkg: LsiScsi driver
 F: OvmfPkg/LsiScsiDxe/
-R: Gary Lin <gary.lin@hpe.com> [lcp]
+R: Gary Lin <glin@suse.com> [lcp]
 
 OvmfPkg: TCG- and TPM2-related modules
 F: OvmfPkg/Include/IndustryStandard/QemuTpm.h