ACPI, APEI, Add PCIe AER error information printing support

The AER error information printing support is implemented in
drivers/pci/pcie/aer/aer_print.c.  So some string constants, functions
and macros definitions can be re-used without being exported.

The original PCIe AER error information printing function is not
re-used directly because the overall format is quite different.  And
changing the original printing format may make some original users'
scripts broken.

Signed-off-by: Huang Ying <ying.huang@intel.com>
CC: Jesse Barnes <jbarnes@virtuousgeek.org>
CC: Zhang Yanmin <yanmin.zhang@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
diff --git a/include/linux/cper.h b/include/linux/cper.h
index 3104aaf..372a258 100644
--- a/include/linux/cper.h
+++ b/include/linux/cper.h
@@ -388,5 +388,7 @@
 #pragma pack()
 
 u64 cper_next_record_id(void);
+void cper_print_bits(const char *prefix, unsigned int bits,
+		     const char *strs[], unsigned int strs_size);
 
 #endif