Convert CONFIG_I2C_EDID et al to Kconfig

This converts the following to Kconfig:
   CONFIG_I2C_EDID
   CONFIG_I2C_EEPROM

Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/configs/sandbox_spl_defconfig b/configs/sandbox_spl_defconfig
index 1e3ccbb..f1a54ac 100644
--- a/configs/sandbox_spl_defconfig
+++ b/configs/sandbox_spl_defconfig
@@ -215,6 +215,7 @@
 CONFIG_CONSOLE_ROTATION=y
 CONFIG_CONSOLE_TRUETYPE=y
 CONFIG_CONSOLE_TRUETYPE_CANTORAONE=y
+CONFIG_I2C_EDID=y
 CONFIG_VIDEO_SANDBOX_SDL=y
 CONFIG_OSD=y
 CONFIG_SANDBOX_OSD=y