plat: corstone1000: change default smm values

Smm gateway uses SE proxy to route the calls for any NV
storage so set the NV_STORE_SN.
Change the storage index uid because TF-M in the secure
enclave reserves the default value (0x1) to some internal
operation.

Signed-off-by: Vishnu Banavath <vishnu.banavath@arm.com>
Signed-off-by: Rui Miguel Silva <rui.silva@linaro.org>
Change-Id: Ic995cb935d28c5e02cc18928f262815782cc3f0b
1 file changed