time: add weak annotation to timer_read_counter declaration

A weak annotation is needed in order to prevent link errors when
get_ticks is overridden. This fixes sandbox build.

Signed-off-by: Rob Herring <rob.herring@calxeda.com>

diff --git a/lib/time.c b/lib/time.c
index 8361ddd69b648e1874a8e41302717da7202cef7a..111b493a420d65c462e70747b5830aa51c45da0e 100644 (file)
--- a/lib/time.c
+++ b/lib/time.c
@@ -37,7 +37,7 @@ unsigned long notrace timer_read_counter(void)
 #endif
 }
 #else
 #endif
 }
 #else

-extern unsigned long timer_read_counter(void);
+extern unsigned long __weak timer_read_counter(void);

 #endif
 
 unsigned long long __weak notrace get_ticks(void)
 #endif
 
 unsigned long long __weak notrace get_ticks(void)