dpdk: bump to 21.08

Type: feature

This patch bumps dpdk version from 21.05 to 21.08

Signed-off-by: Fan Zhang <roy.fan.zhang@intel.com>
Change-Id: I8f655dae1489c11e7fb2ff86f8a91b597383bd99
diff --git a/build/external/packages/dpdk.mk b/build/external/packages/dpdk.mk
index 70ff5c9..80979e0 100644
--- a/build/external/packages/dpdk.mk
+++ b/build/external/packages/dpdk.mk
@@ -22,9 +22,10 @@
 DPDK_MACHINE                 ?= default
 DPDK_MLX_IBV_LINK            ?= static
 
-dpdk_version                 ?= 21.05
+dpdk_version                 ?= 21.08
 dpdk_base_url                ?= http://fast.dpdk.org/rel
 dpdk_tarball                 := dpdk-$(dpdk_version).tar.xz
+dpdk_tarball_md5sum_21.08    := de33433a1806280996a0ecbe66e3642f
 dpdk_tarball_md5sum_21.05    := a78bba290b11d9717d1272cc6bfaf7c3
 dpdk_tarball_md5sum          := $(dpdk_tarball_md5sum_$(dpdk_version))
 dpdk_url                     := $(dpdk_base_url)/$(dpdk_tarball)