platform: generic: Generate platform override module list at compile-time

Instead of having platform override module list hard-coded in the C source,
we generate it using carray.sh at compile-time.

Signed-off-by: Anup Patel <apatel@ventanamicro.com>
Reviewed-by: Atish Patra <atishp@rivosinc.com>

platform/generic/objects.mk

@@ -8,5 +8,10 @@
 #
 
 platform-objs-y += platform.o
+platform-objs-y += platform_override_modules.o
+
+carray-platform_override_modules-y += sifive_fu540
 platform-objs-y += sifive_fu540.o
+
+carray-platform_override_modules-y += sifive_fu740
 platform-objs-y += sifive_fu740.o