test/qtest/ast2700-smc-test: Support to test AST2700

test/qtest/ast2700-smc-test: Support to test AST2700

Add test_ast2700_evb function and reused testcases which are from
aspeed_smc-test.c for AST2700 testing. The base address, flash base address
and ce index of fmc_cs0 are 0x14000000, 0x100000000 and 0, respectively.
The default flash model of fmc_cs0 is "w25q01jvq" whose size is 128MB,
so set jedec_id 0xef4021.

Signed-off-by: Jamin Lin <jamin_lin@aspeedtech.com>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Link: https://lore.kernel.org/r/20241127091543.1243114-11-jamin_lin@aspeedtech.com
Signed-off-by: Cédric Le Goater <clg@redhat.com>