sim: Add i2c peripherals to SC/SMC

i2c0-2 and cam_i2c are implemented in top_matcha already.
host_i2c has not been added to top_matcha, will update the address if
necessary.

Change-Id: I4bdbc6b9b33b48bb9f2f9ff5e916b43f47ee2dac

platforms/secure.repl

diff --git a/platforms/secure.repl b/platforms/secure.repl
index cf7957a..2cbb2fe 100644
--- a/platforms/secure.repl
+++ b/platforms/secure.repl
@@ -83,9 +83,16 @@
 // SPI_Device        [‘h4005_0000 - ‘h4005_1FFF)   8KB SPI Device
 // SPI_HOST0         [‘h4006_0000 - ‘h4006_0FFF)   4KB SPI HOST 0
 // SPI_HOST1         [‘h4007_0000 - ‘h4007_0FFF)   4KB SPI HOST 1
+
 // I2C0              [‘h4008_0000 - ‘h4008_0FFF)   4KB I2C0
+i2c0: I2C.OpenTitan_I2C @ sysbus 0x40080000
+
 // I2C1              [‘h4009_0000 - ‘h4009_0FFF)   4KB I2C1
+i2c1: I2C.OpenTitan_I2C @ sysbus 0x40090000
+
 // I2C2              [‘h400A_0000 - ‘h400A_0FFF)   4KB I2C2
+i2c2: I2C.OpenTitan_I2C @ sysbus 0x400A0000
+
 // PATGEN            [‘h400E_0000 - ‘h400E_0FFF)   4KB PATGEN
 
 // RV_TIMER          [‘h4010_0000 - ‘h4010_0FFF)   4KB RV Timer for Security Core

platforms/smc.repl

diff --git a/platforms/smc.repl b/platforms/smc.repl
index fc6e91c..fbcade1 100644
--- a/platforms/smc.repl
+++ b/platforms/smc.repl
@@ -67,6 +67,12 @@
     frequency: 24000000
     IRQ -> smc_plic@31
 
+// I2C host connection to camera
+cam_i2c: I2C.OpenTitan_I2C @ sysbus 0x54040000
+
+// I2C device connection to external host
+ext_host_i2c: I2C.OpenTitan_I2C @ sysbus 0x54050000
+
 // Tag memory for debugging
 sysbus:
     init: