powerpc/hvsi: Fix conflict with old HVSI driver

A mix of think & mismerge on my side caused a problem where both the
new hvsi_lib and the old hvsi driver gets compiled and try to define
symbols with the same name.

This fixes it by renaming the hvsi_lib exported symbols.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
diff --git a/arch/powerpc/include/asm/hvsi.h b/arch/powerpc/include/asm/hvsi.h
index 91e0453..d3f64f3 100644
--- a/arch/powerpc/include/asm/hvsi.h
+++ b/arch/powerpc/include/asm/hvsi.h
@@ -78,17 +78,17 @@
 
 /* hvsi lib functions */
 struct hvc_struct;
-extern void hvsi_init(struct hvsi_priv *pv,
-		      int (*get_chars)(uint32_t termno, char *buf, int count),
-		      int (*put_chars)(uint32_t termno, const char *buf,
-				       int count),
-		      int termno, int is_console);
-extern int hvsi_open(struct hvsi_priv *pv, struct hvc_struct *hp);
-extern void hvsi_close(struct hvsi_priv *pv, struct hvc_struct *hp);
-extern int hvsi_read_mctrl(struct hvsi_priv *pv);
-extern int hvsi_write_mctrl(struct hvsi_priv *pv, int dtr);
-extern void hvsi_establish(struct hvsi_priv *pv);
-extern int hvsi_get_chars(struct hvsi_priv *pv, char *buf, int count);
-extern int hvsi_put_chars(struct hvsi_priv *pv, const char *buf, int count);
+extern void hvsilib_init(struct hvsi_priv *pv,
+			 int (*get_chars)(uint32_t termno, char *buf, int count),
+			 int (*put_chars)(uint32_t termno, const char *buf,
+					  int count),
+			 int termno, int is_console);
+extern int hvsilib_open(struct hvsi_priv *pv, struct hvc_struct *hp);
+extern void hvsilib_close(struct hvsi_priv *pv, struct hvc_struct *hp);
+extern int hvsilib_read_mctrl(struct hvsi_priv *pv);
+extern int hvsilib_write_mctrl(struct hvsi_priv *pv, int dtr);
+extern void hvsilib_establish(struct hvsi_priv *pv);
+extern int hvsilib_get_chars(struct hvsi_priv *pv, char *buf, int count);
+extern int hvsilib_put_chars(struct hvsi_priv *pv, const char *buf, int count);
 
 #endif /* _HVSI_H */