sim: Update ext_host_i2c sysbus addr

Conflicts with cam_ctrl

Change-Id: I555a16f1724115c73f2db28e9635ba071af5fdcc

platforms/smc.repl

diff --git a/platforms/smc.repl b/platforms/smc.repl
index fbcade1..8ee98ed 100644
--- a/platforms/smc.repl
+++ b/platforms/smc.repl
@@ -71,7 +71,7 @@
 cam_i2c: I2C.OpenTitan_I2C @ sysbus 0x54040000
 
 // I2C device connection to external host
-ext_host_i2c: I2C.OpenTitan_I2C @ sysbus 0x54050000
+ext_host_i2c: I2C.OpenTitan_I2C @ sysbus 0x54070000
 
 // Tag memory for debugging
 sysbus: