i2c: meson: reduce timeout

The datasheet doesn't specify a suggested timeout and 500ms seems very
long: reduce it to 100ms.

Signed-off-by: Beniamino Galvani <b.galvani@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Heiko Schocher <hs@denx.de>
diff --git a/drivers/i2c/meson_i2c.c b/drivers/i2c/meson_i2c.c
index 2434d9e..84e1997 100644
--- a/drivers/i2c/meson_i2c.c
+++ b/drivers/i2c/meson_i2c.c
@@ -9,7 +9,7 @@
 #include <dm.h>
 #include <i2c.h>
 
-#define I2C_TIMEOUT_MS		500
+#define I2C_TIMEOUT_MS		100
 
 /* Control register fields */
 #define REG_CTRL_START		BIT(0)