[build]: fixed BFN target build (sonic-net#6826)

#### Why I did it
Fix runtime issues caused by SONiC update

#### How I did it
- new attribute SAI_ACL_ENTRY_ATTR_FIELD_ACL_IP_TYPE  supported 
- new attribute SAI_SWITCH_ATTR_AVAILABLE_IPMC_ENTRY supported

Signed-off-by: Roman Savchuk <romanx.savchuk@intel.com>

platform/barefoot/bfn-platform.mk

@@ -1,4 +1,4 @@
-BFN_PLATFORM = bfnplatform_20201228_deb10.deb
+BFN_PLATFORM = bfnplatform_20210219_deb10.deb
 $(BFN_PLATFORM)_URL = "https://github.com/barefootnetworks/sonic-release-pkgs/raw/dev/$(BFN_PLATFORM)"
 
 SONIC_ONLINE_DEBS += $(BFN_PLATFORM)

platform/barefoot/bfn-sai.mk

@@ -1,4 +1,4 @@
-BFN_SAI = bfnsdk_20201228_deb10.deb
+BFN_SAI = bfnsdk_20210219_deb10.deb
 $(BFN_SAI)_URL = "https://github.com/barefootnetworks/sonic-release-pkgs/raw/dev/$(BFN_SAI)"
 
 $(BFN_SAI)_DEPENDS += $(LIBNL_GENL3_DEV)