ARM: STi: Add DT defines for co-processor reset lines

#define STIH407_KEYSCAN_SOFTRESET	26

#define STIH407_USB2_PORT0_SOFTRESET	27

#define STIH407_USB2_PORT1_SOFTRESET	28

#define STIH407_ST231_AUD_SOFTRESET	29

#define STIH407_ST231_DMU_SOFTRESET	30

#define STIH407_ST231_GP0_SOFTRESET	31

#define STIH407_ST231_GP1_SOFTRESET	32

/* Picophy reset defines */

#define STIH407_PICOPHY0_RESET		0