ata: ahci_brcmstb: remove unused definitions

Remove unused definitions, and this is to avoid confusion with MIPS-based
platforms.

Signed-off-by: Jaedon Shin <jaedon.shin@gmail.com>
Tested-by: Florian Fainelli <f.fainelli@gmail.com>
Acked-by: Brian Norris <computersforpeace@gmail.com>

drivers/ata/ahci_brcmstb.c

@@ -52,8 +52,6 @@
   #define SATA_TOP_CTRL_2_PHY_GLOBAL_RESET		BIT(14)
  #define SATA_TOP_CTRL_PHY_OFFS				0x8
  #define SATA_TOP_MAX_PHYS				2
-#define SATA_TOP_CTRL_SATA_TP_OUT			0x1c
-#define SATA_TOP_CTRL_CLIENT_INIT_CTRL			0x20
 
 /* On big-endian MIPS, buses are reversed to big endian, so switch them back */
 #if defined(CONFIG_MIPS) && defined(__BIG_ENDIAN)