dell-smbios: rename release_buffer() to dell_smbios_release_buffer()

As release_buffer() is exported from the module, it has to be renamed to
something less generic, so add a "dell_smbios_" prefix to the function
name.

Signed-off-by: Michał Kępień <kernel@kempniu.pl>
Reviewed-by: Pali Rohár <pali.rohar@gmail.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
diff --git a/drivers/platform/x86/dell-smbios.h b/drivers/platform/x86/dell-smbios.h
index c5e9474..8558103 100644
--- a/drivers/platform/x86/dell-smbios.h
+++ b/drivers/platform/x86/dell-smbios.h
@@ -40,7 +40,7 @@
 
 void dell_smbios_get_buffer(void);
 void dell_smbios_clear_buffer(void);
-void release_buffer(void);
+void dell_smbios_release_buffer(void);
 struct calling_interface_buffer *
 dell_send_request(struct calling_interface_buffer *buffer,
 		  int class, int select);