ACPICA: TableManager: Export acpi_tb_scan_memory_for_rsdp()

This patch exports this function to be used by other ACPICA utilities.
Chao Guan, Bob Moore.

Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Acked-by: Len Brown <len.brown@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
diff --git a/drivers/acpi/acpica/tbxfroot.c b/drivers/acpi/acpica/tbxfroot.c
index 7c2ecfb..e76ed0f 100644
--- a/drivers/acpi/acpica/tbxfroot.c
+++ b/drivers/acpi/acpica/tbxfroot.c
@@ -49,8 +49,6 @@
 ACPI_MODULE_NAME("tbxfroot")
 
 /* Local prototypes */
-static u8 *acpi_tb_scan_memory_for_rsdp(u8 * start_address, u32 length);
-
 static acpi_status acpi_tb_validate_rsdp(struct acpi_table_rsdp *rsdp);
 
 /*******************************************************************************
@@ -231,7 +229,7 @@
  * DESCRIPTION: Search a block of memory for the RSDP signature
  *
  ******************************************************************************/
-static u8 *acpi_tb_scan_memory_for_rsdp(u8 * start_address, u32 length)
+u8 *acpi_tb_scan_memory_for_rsdp(u8 *start_address, u32 length)
 {
 	acpi_status status;
 	u8 *mem_rover;