[Marvell][build] Marvell armhf SAI debian. (#10130)

- Fixed SAI debian version name issue reported in Marvell sai package file name format issue Marvell-switching/sonic-marvell-binaries#62
- Implement DHCP, DHCv6 traps as per SAI Specifications
- Added support to return SAI_STATUS_NOT_SUPPORTED for ERSPAN feature [Nokia-7215] [marvell] orchagent exited when activating mirror_session #9830

Signed-off-by: Rajkumar Pennadam Ramamoorthy <rpennadamram@marvell.com>

platform/marvell-armhf/sai.mk

@@ -1,8 +1,7 @@
 # Marvell SAI
 
-export MRVL_SAI_VERSION = 1.7.1-6
+export MRVL_SAI_VERSION = 1.7.1-7
 export MRVL_SAI = mrvllibsai_$(MRVL_SAI_VERSION)_$(PLATFORM_ARCH).deb
-export MRVL_SAI_PACKAGE = mrvllibsai_$(PLATFORM_ARCH)_$(MRVL_SAI_VERSION).deb
 
 $(MRVL_SAI)_SRC_PATH = $(PLATFORM_PATH)/sai
 $(eval $(call add_conflict_package,$(MRVL_SAI),$(LIBSAIVS_DEV)))

platform/marvell-armhf/sai/Makefile

@@ -2,7 +2,7 @@
 SHELL = /bin/bash
 .SHELLFLAGS += -e
 
-MRVL_SAI_URL = https://github.com/Marvell-switching/sonic-marvell-binaries/raw/master/armhf/sai-plugin/$(MRVL_SAI_PACKAGE)
+MRVL_SAI_URL = https://github.com/Marvell-switching/sonic-marvell-binaries/raw/master/armhf/sai-plugin/$(MRVL_SAI)
 
 $(addprefix $(DEST)/, $(MRVL_SAI)): $(DEST)/% :
 	# get deb package