The make based build system has crc+crypto instruction
support for the default arm64 build.
http://dpdk.org/browse/dpdk/tree/mk/machine/armv8a/rte.vars.mk#n31

This patch fixes the disparity with meson build flags for armv8.
As a bonus, This patch fixes the following errors with
ip_pipeline example application.

Assembler messages:
Error: selected processor does not support `crc32cx w3,w3,x0'

Fixes: c6e536e38437 ("build: add more implementers IDs and PNs for ARM")

Cc: herbert.g...@arm.com
Cc: pbhagavat...@caviumnetworks.com
Cc: bruce.richard...@intel.com
Cc: hemant.agra...@nxp.com
Cc: sta...@dpdk.org

Signed-off-by: Jerin Jacob <jerin.ja...@caviumnetworks.com>
---
 config/arm/meson.build | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/config/arm/meson.build b/config/arm/meson.build
index c1ab6ed01..b1d53576d 100644
--- a/config/arm/meson.build
+++ b/config/arm/meson.build
@@ -8,7 +8,7 @@ march_opt = '-march=@0@'.format(machine)
 arm_force_native_march = false
 
 machine_args_generic = [
-       ['default', ['-march=armv8-a']],
+       ['default', ['-march=armv8-a+crc+crypto']],
        ['native', ['-march=native']],
        ['0xd03', ['-mcpu=cortex-a53']],
        ['0xd04', ['-mcpu=cortex-a35']],
-- 
2.17.0

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