Add conditional flag SONIC_ASIC_PLATFORM_VS

Signed-off-by: Jiahua Wang <jiahua.wang@broadcom.com>

Author: jiahua-wang

configure.ac

@@ -18,6 +18,7 @@ AX_ADD_AM_MACRO_STATIC([])
 AM_CONDITIONAL(SONIC_ASIC_PLATFORM_BAREFOOT,   test x$CONFIGURED_PLATFORM = xbarefoot)
 AM_CONDITIONAL(SONIC_ASIC_PLATFORM_BROADCOM,   test x$CONFIGURED_PLATFORM = xbroadcom)
 AM_CONDITIONAL(SONIC_ASIC_PLATFORM_MELLANOX,   test x$CONFIGURED_PLATFORM = xmellanox)
+AM_CONDITIONAL(SONIC_ASIC_PLATFORM_VS,   test x$CONFIGURED_PLATFORM = xvs)
 
 AM_COND_IF([SONIC_ASIC_PLATFORM_MELLANOX],
         AC_DEFINE([MELLANOX], [1], [Define to 1 on Mellanox Platform]))

syncd/Makefile.am

@@ -80,6 +80,10 @@ if SONIC_ASIC_PLATFORM_BROADCOM
 libSyncd_a_CXXFLAGS += -DMDIO_ACCESS_USE_NPU
 endif
 
+if SONIC_ASIC_PLATFORM_VS
+libSyncd_a_CXXFLAGS += -DMDIO_ACCESS_USE_NPU
+endif
+
 libSyncdRequestShutdown_a_SOURCES = \
 									RequestShutdown.cpp \
 									RequestShutdownCommandLineOptions.cpp \