[NETFILTER]: Kconfig: fix xt_physdev dependencies

xt_physdev depends on bridge netfilter, which is a boolean, but can still
be built modular because of special handling in the bridge makefile. Add
a dependency on BRIDGE to prevent XT_MATCH_PHYSDEV=y, BRIDGE=m.
Signed-off-by: NPatrick McHardy <kaber@trash.net>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

net/netfilter/Kconfig

@@ -365,7 +365,7 @@ config NETFILTER_XT_MATCH_MULTIPORT
 
 config NETFILTER_XT_MATCH_PHYSDEV
 	tristate '"physdev" match support'
-	depends on NETFILTER_XTABLES && BRIDGE_NETFILTER
+	depends on NETFILTER_XTABLES && BRIDGE && BRIDGE_NETFILTER
 	help
 	  Physdev packet matching matches against the physical bridge ports
 	  the IP packet arrived on or will leave by.