qsfp_service: add DARWIN48V platform references (#259)

Summary:
# Description

Adds `DARWIN48V` platform references to qsfp_service. Note that this depends on the changes in #257.

Pull Request resolved: #259

Test Plan:
FBOSS OSS build passes with CentOS 9 and Linux kernel 6.4.

qsfp_service code untested on HW.

Reviewed By: kimdo8736

Differential Revision: D64087960

Pulled By: joancaneus

fbshipit-source-id: 6e8bfaeda5c618ecbf101c382292aec60c8fd6a9

fboss/qsfp_service/platforms/wedge/WedgeManagerInit.cpp

@@ -65,7 +65,9 @@ std::unique_ptr<WedgeManager> createWedgeManager() {
     return std::make_unique<GalaxyManager>(mode, platformMappingStr);
   } else if (mode == PlatformType::PLATFORM_YAMP) {
     return createYampWedgeManager(platformMappingStr);
-  } else if (mode == PlatformType::PLATFORM_DARWIN) {
+  } else if (
+      mode == PlatformType::PLATFORM_DARWIN ||
+      mode == PlatformType::PLATFORM_DARWIN48V) {
     return createDarwinWedgeManager(platformMappingStr);
   } else if (mode == PlatformType::PLATFORM_ELBERT) {
     return createElbertWedgeManager(platformMappingStr);