Revert "i2c-comcerto: Set i2c bus speed to 400 kHz instead of 100 kHz."

This reverts commit 84c75628a197917c00114b4b44615bf1c2c86da8.

The datasheet for the lm96063 part specifies 100 kHz as the maximum
value for f_SMB (SMBus Clock Frequency).

Change-Id: I026590e888aeac1558e9fd6c714e00b4a7ec9a04
diff --git a/drivers/i2c/busses/i2c-comcerto.c b/drivers/i2c/busses/i2c-comcerto.c
index 4611ba8..0898123 100644
--- a/drivers/i2c/busses/i2c-comcerto.c
+++ b/drivers/i2c/busses/i2c-comcerto.c
@@ -45,7 +45,7 @@
 module_param(force_poll, bool, S_IRUGO);
 MODULE_PARM_DESC(force_poll, "Force polling mode: 0=interrupt mode, polling mode otherwise");
 
-static int speed = 1;
+static int speed = 0;
 module_param(speed, int, S_IRUGO);
 MODULE_PARM_DESC(speed, "I2C speed: 0=standard, 1=fast, 2=high speed");