i2c: Remove CONFIG_I2C_MULTI_BUS

This functionality is part of the legacy I2C subsystem and is currently
unused anywhere.  Remove the remaining references.

Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/cmd/i2c.c b/cmd/i2c.c
index da8b4c2..f204061 100644
--- a/cmd/i2c.c
+++ b/cmd/i2c.c
@@ -98,7 +98,7 @@
  * pairs.  The following macros take care of this */
 
 #if defined(CFG_SYS_I2C_NOPROBES)
-#if CONFIG_IS_ENABLED(SYS_I2C_LEGACY) || defined(CONFIG_I2C_MULTI_BUS)
+#if CONFIG_IS_ENABLED(SYS_I2C_LEGACY)
 static struct
 {
 	uchar	bus;
@@ -1764,8 +1764,7 @@
  * Returns zero on success, CMD_RET_USAGE in case of misuse and negative
  * on error.
  */
-#if CONFIG_IS_ENABLED(SYS_I2C_LEGACY) || defined(CONFIG_I2C_MULTI_BUS) || \
-		CONFIG_IS_ENABLED(DM_I2C)
+#if CONFIG_IS_ENABLED(SYS_I2C_LEGACY) || CONFIG_IS_ENABLED(DM_I2C)
 static int do_i2c_bus_num(struct cmd_tbl *cmdtp, int flag, int argc,
 			  char *const argv[])
 {
@@ -1915,10 +1914,9 @@
 	U_BOOT_CMD_MKENT(bus, 1, 1, do_i2c_show_bus, "", ""),
 #endif
 	U_BOOT_CMD_MKENT(crc32, 3, 1, do_i2c_crc, "", ""),
-#if CONFIG_IS_ENABLED(SYS_I2C_LEGACY) || \
-	defined(CONFIG_I2C_MULTI_BUS) || CONFIG_IS_ENABLED(DM_I2C)
+#if CONFIG_IS_ENABLED(SYS_I2C_LEGACY) || CONFIG_IS_ENABLED(DM_I2C)
 	U_BOOT_CMD_MKENT(dev, 1, 1, do_i2c_bus_num, "", ""),
-#endif  /* CONFIG_I2C_MULTI_BUS */
+#endif
 #if defined(CONFIG_I2C_EDID)
 	U_BOOT_CMD_MKENT(edid, 1, 1, do_edid, "", ""),
 #endif  /* CONFIG_I2C_EDID */
@@ -1992,10 +1990,9 @@
 	"i2c " /* That's the prefix for the crc32 command below. */
 #endif
 	"crc32 chip address[.0, .1, .2] count - compute CRC32 checksum\n"
-#if CONFIG_IS_ENABLED(SYS_I2C_LEGACY) || \
-	defined(CONFIG_I2C_MULTI_BUS) || CONFIG_IS_ENABLED(DM_I2C)
+#if CONFIG_IS_ENABLED(SYS_I2C_LEGACY) || CONFIG_IS_ENABLED(DM_I2C)
 	"i2c dev [dev] - show or set current I2C bus\n"
-#endif  /* CONFIG_I2C_MULTI_BUS */
+#endif
 #if defined(CONFIG_I2C_EDID)
 	"i2c edid chip - print EDID configuration information\n"
 #endif  /* CONFIG_I2C_EDID */