fix(configs): am62d: correct the crypto config values

AM62DX has erroneously set CONFIG_crypto to DTHEv2. Correct that to
sa2ul. Also add mcrc64.

Signed-off-by: T Pratham <t-pratham@ti.com>

Author: Pratham-T

configs/AM62DX/AM62DX_linux_config.txt

@@ -39,4 +39,5 @@ Configuration Values
 'CONFIG_image_type'       : 'default'
 'CONFIG_icss_support'     : 'yes'
 'CONFIG_rt_linux_support' : 'yes'
-'CONFIG_crypto'           : 'DTHEv2'
+'CONFIG_crypto'           : 'sa2ul'
+'CONFIG_mcrc64'           : 'mcrc64'