bdk: ccplex: add no rst vector lock & powergating

Allow not locking the reset vectors and launch a new payload after powergating ccplex.

bdk/soc/ccplex.h

@@ -19,6 +19,7 @@
 
 #include <utils/types.h>
 
-void ccplex_boot_cpu0(u32 entry);
+void ccplex_boot_cpu0(u32 entry, bool lock);
+void ccplex_powergate_cpu0();
 
 #endif