86xx: Add print_laws function to fsl_law.c

This can be used for debug, and will be used by board code
to help implement reginfo.

Signed-off-by: Becky Bruce <becky.bruce@freescale.com>
diff --git a/include/asm-ppc/fsl_law.h b/include/asm-ppc/fsl_law.h
index 7cb8840..23bd505 100644
--- a/include/asm-ppc/fsl_law.h
+++ b/include/asm-ppc/fsl_law.h
@@ -73,6 +73,7 @@
 extern void set_law(u8 idx, phys_addr_t addr, enum law_size sz, enum law_trgt_if id);
 extern void disable_law(u8 idx);
 extern void init_laws(void);
+extern void print_laws(void);
 
 /* define in board code */
 extern struct law_entry law_table[];