[cov,crypto] Add coverage_view_test for otcrypto library

This adds a `coverage_view_test` rule for the `otcrypto_export_size`
binary to support coverage analysis. It also adds the
`silicon_creator` execution environment to the binary since the
coverage_view_test requires a silicon target.

Change-Id: I662893fb2a1cfd648619aed369f6eb070fae85eb
Signed-off-by: Yi-Hsuan Deng <yhdeng@google.com>

Author: sasdf

sw/device/tests/crypto/BUILD

@@ -18,6 +18,7 @@ load(
     "verilator_params",
 )
 load("@ot_python_deps//:requirements.bzl", "requirement")
+load("//rules/coverage:view.bzl", "coverage_view_test")
 
 package(default_visibility = ["//visibility:public"])
 
@@ -49,6 +50,7 @@ opentitan_binary(
     copts = ["-fno-lto"],
     exec_env = [
         "//hw/top_earlgrey:fpga_cw310_rom_ext",
+        "//hw/top_earlgrey:silicon_creator",
     ],
     linker_script = "//sw/device/silicon_owner/bare_metal:ld_slot_a",
     manifest = "//sw/device/silicon_owner/bare_metal:manifest",
@@ -59,6 +61,11 @@ opentitan_binary(
     ],
 )
 
+coverage_view_test(
+    name = "otcrypto_coverage_view",
+    elf = "otcrypto_export_size",
+)
+
 opentitan_test(
     name = "aes_functest",
     srcs = ["aes_functest.c"],