[Blackfin] arch: remove old I2C BF54x porting.

Signed-off-by: Bryan Wu <bryan.wu@analog.com>

diff --git a/include/asm-blackfin/mach-bf548/cdefBF54x_base.h b/include/asm-blackfin/mach-bf548/cdefBF54x_base.h
index aefab3f..19ddcd8 100644
--- a/include/asm-blackfin/mach-bf548/cdefBF54x_base.h
+++ b/include/asm-blackfin/mach-bf548/cdefBF54x_base.h
@@ -244,39 +244,6 @@
 #define bfin_read_TWI0_RCV_DATA16()		bfin_read16(TWI0_RCV_DATA16)
 #define bfin_write_TWI0_RCV_DATA16(val)		bfin_write16(TWI0_RCV_DATA16, val)
 
-#define bfin_read_TWI_CLKDIV()			bfin_read16(TWI0_CLKDIV)
-#define bfin_write_TWI_CLKDIV(val)		bfin_write16(TWI0_CLKDIV, val)
-#define bfin_read_TWI_CONTROL()			bfin_read16(TWI0_CONTROL)
-#define bfin_write_TWI_CONTROL(val)		bfin_write16(TWI0_CONTROL, val)
-#define bfin_read_TWI_SLAVE_CTRL()		bfin_read16(TWI0_SLAVE_CTRL)
-#define bfin_write_TWI_SLAVE_CTRL(val)		bfin_write16(TWI0_SLAVE_CTRL, val)
-#define bfin_read_TWI_SLAVE_STAT()		bfin_read16(TWI0_SLAVE_STAT)
-#define bfin_write_TWI_SLAVE_STAT(val)		bfin_write16(TWI0_SLAVE_STAT, val)
-#define bfin_read_TWI_SLAVE_ADDR()		bfin_read16(TWI0_SLAVE_ADDR)
-#define bfin_write_TWI_SLAVE_ADDR(val)		bfin_write16(TWI0_SLAVE_ADDR, val)
-#define bfin_read_TWI_MASTER_CTL()		bfin_read16(TWI0_MASTER_CTRL)
-#define bfin_write_TWI_MASTER_CTL(val)		bfin_write16(TWI0_MASTER_CTRL, val)
-#define bfin_read_TWI_MASTER_STAT()		bfin_read16(TWI0_MASTER_STAT)
-#define bfin_write_TWI_MASTER_STAT(val)		bfin_write16(TWI0_MASTER_STAT, val)
-#define bfin_read_TWI_MASTER_ADDR()		bfin_read16(TWI0_MASTER_ADDR)
-#define bfin_write_TWI_MASTER_ADDR(val)		bfin_write16(TWI0_MASTER_ADDR, val)
-#define bfin_read_TWI_INT_STAT()		bfin_read16(TWI0_INT_STAT)
-#define bfin_write_TWI_INT_STAT(val)		bfin_write16(TWI0_INT_STAT, val)
-#define bfin_read_TWI_INT_MASK()		bfin_read16(TWI0_INT_MASK)
-#define bfin_write_TWI_INT_MASK(val)		bfin_write16(TWI0_INT_MASK, val)
-#define bfin_read_TWI_FIFO_CTL()		bfin_read16(TWI0_FIFO_CTRL)
-#define bfin_write_TWI_FIFO_CTL(val)		bfin_write16(TWI0_FIFO_CTRL, val)
-#define bfin_read_TWI_FIFO_STAT()		bfin_read16(TWI0_FIFO_STAT)
-#define bfin_write_TWI_FIFO_STAT(val)		bfin_write16(TWI0_FIFO_STAT, val)
-#define bfin_read_TWI_XMT_DATA8()		bfin_read16(TWI0_XMT_DATA8)
-#define bfin_write_TWI_XMT_DATA8(val)		bfin_write16(TWI0_XMT_DATA8, val)
-#define bfin_read_TWI_XMT_DATA16()		bfin_read16(TWI0_XMT_DATA16)
-#define bfin_write_TWI_XMT_DATA16(val)		bfin_write16(TWI0_XMT_DATA16, val)
-#define bfin_read_TWI_RCV_DATA8()		bfin_read16(TWI0_RCV_DATA8)
-#define bfin_write_TWI_RCV_DATA8(val)		bfin_write16(TWI0_RCV_DATA8, val)
-#define bfin_read_TWI_RCV_DATA16()		bfin_read16(TWI0_RCV_DATA16)
-#define bfin_write_TWI_RCV_DATA16(val)		bfin_write16(TWI0_RCV_DATA16, val)
-
 /* SPORT0 is not defined in the shared file because it is not available on the ADSP-BF542 and ADSP-BF544 bfin_read_()rocessors */
 
 /* SPORT1 Registers */