OMAP: powerdomain: remove unused func declaration

Trivial fix to remove the unused function declaration
from the powerdomain header.

Signed-off-by: Rajendra Nayak <rnayak@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
diff --git a/arch/arm/mach-omap2/powerdomain.h b/arch/arm/mach-omap2/powerdomain.h
index c66431e..0b7a357 100644
--- a/arch/arm/mach-omap2/powerdomain.h
+++ b/arch/arm/mach-omap2/powerdomain.h
@@ -165,7 +165,6 @@
 	int	(*pwrdm_wait_transition)(struct powerdomain *pwrdm);
 };
 
-void pwrdm_fw_init(void);
 void pwrdm_init(struct powerdomain **pwrdm_list, struct pwrdm_ops *custom_funcs);
 
 struct powerdomain *pwrdm_lookup(const char *name);