atheros: v3.18: remove odd header reset.h

This header provides prototype for function without realization and
users.

Signed-off-by: Sergey Ryazanov <ryazanov.s.a@gmail.com>

SVN-Revision: 44709

target/linux/atheros/patches-3.18/100-board.patch

@@ -621,15 +621,6 @@
 +
 +#endif	/* __ASM_MACH_ATH25_GPIO_H */
 --- /dev/null
-+++ b/arch/mips/include/asm/mach-ath25/reset.h
-@@ -0,0 +1,6 @@
-+#ifndef __ASM_MACH_ATH25_RESET_H
-+#define __ASM_MACH_ATH25_RESET_H
-+
-+void ar231x_disable_reset_button(void);
-+
-+#endif /* __ASM_MACH_ATH25_RESET_H */
---- /dev/null
 +++ b/arch/mips/include/asm/mach-ath25/war.h
 @@ -0,0 +1,25 @@
 +/*