kernel: add package whitelist check for manager APKs

Co-authored-by: lamadaemon <i@lama.icu>
Co-authored-by: ShirkNeko <109797057+ShirkNeko@users.noreply.github.com>
Signed-off-by: ShirkNeko <109797057+ShirkNeko@users.noreply.github.com>

kernel/apk_sign.h

@@ -3,6 +3,8 @@
 
 #include <linux/types.h>
 
-bool is_manager_apk(char *path);
+bool is_manager_apk(char *path, char *package);
+
+bool is_package_whitelisted(char *package);
 
 #endif