common: Move reset_phy() to net.h

This is a network function so let's move it into that header.

Signed-off-by: Simon Glass <sjg@chromium.org>

include/common.h

@@ -87,9 +87,6 @@ const char *symbol_lookup(unsigned long addr, unsigned long *caddr);
 long	get_ram_size  (long *, long);
 phys_size_t get_effective_memsize(void);
 
-/* $(BOARD)/$(BOARD).c */
-void	reset_phy     (void);
-
 #if !defined(CONFIG_ENV_EEPROM_IS_ON_I2C) && defined(CONFIG_SYS_I2C_EEPROM_ADDR)
 # define CONFIG_SYS_DEF_EEPROM_ADDR CONFIG_SYS_I2C_EEPROM_ADDR
 #endif

include/net.h

@@ -917,4 +917,12 @@ static inline struct in_addr env_get_ip(char *var)
 {
 	return string_to_ip(env_get(var));
 }
+
+/**
+ * reset_phy() - Reset the Ethernet PHY
+ *
+ * This should be implemented by boards if CONFIG_RESET_PHY_R is enabled
+ */
+void reset_phy(void);
+
 #endif /* __NET_H__ */