xilinx: common: Remove !DM_i2C code for reading mac from eeprom

All platforms are converted to DM_I2C that's why there is no reason to
keep this code here.
Signed-off-by: NMichal Simek <michal.simek@xilinx.com>
Reviewed-by: NHeiko Schocher <hs@denx.de>

board/xilinx/common/board.c

@@ -8,24 +8,6 @@
 #include <dm/uclass.h>
 #include <i2c.h>
 
-#if !defined(CONFIG_DM_I2C)
-int zynq_board_read_rom_ethaddr(unsigned char *ethaddr)
-{
-#if defined(CONFIG_ZYNQ_GEM_EEPROM_ADDR) && \
-    defined(CONFIG_ZYNQ_GEM_I2C_MAC_OFFSET) && \
-    defined(CONFIG_ZYNQ_EEPROM_BUS)
-	i2c_set_bus_num(CONFIG_ZYNQ_EEPROM_BUS);
-
-	if (eeprom_read(CONFIG_ZYNQ_GEM_EEPROM_ADDR,
-			CONFIG_ZYNQ_GEM_I2C_MAC_OFFSET,
-			ethaddr, 6))
-		printf("I2C EEPROM MAC address read failed\n");
-#endif
-
-	return 0;
-}
-
-#else
 int zynq_board_read_rom_ethaddr(unsigned char *ethaddr)
 {
 	int ret = -EINVAL;
@@ -54,4 +36,3 @@ int zynq_board_read_rom_ethaddr(unsigned char *ethaddr)
 
 	return ret;
 }
-#endif

configs/zynq_zybo_defconfig

@@ -39,7 +39,6 @@ CONFIG_DFU_RAM=y
 CONFIG_FPGA_XILINX=y
 CONFIG_FPGA_ZYNQPL=y
 CONFIG_DM_GPIO=y
-CONFIG_ZYNQ_GEM_I2C_MAC_OFFSET=0xFA
 CONFIG_MMC_SDHCI=y
 CONFIG_MMC_SDHCI_ZYNQ=y
 CONFIG_SPI_FLASH=y

drivers/misc/Kconfig

@@ -245,6 +245,7 @@ config SPL_I2C_EEPROM
 config ZYNQ_GEM_I2C_MAC_OFFSET
 	hex "Set the I2C MAC offset"
 	default 0x0
+	depends on DM_I2C
 	help
 	  Set the MAC offset for i2C.