doc: modify virtio-i2c doc path

move virtio-i2c doc from tutorials to developer-guilders/hld and add
entry for virtio-i2c in hld-virtio-devices

Signed-off-by: Gao Junhao <junhao.gao@intel.com>

Author: gaojunhao0504

doc/developer-guides/hld/hld-virtio-devices.rst

@@ -751,6 +751,8 @@ their temporary IDs are listed in the following table.
    +--------------+-------------+-------------+-------------+-------------+
    | COREU        | 0x8086      | 0x8608      | 0x8086      | 0xFFF8      |
    +--------------+-------------+-------------+-------------+-------------+
+   | I2C          | 0x8086      | 0x860a      | 0x8086      | 0xFFF6      |
+   +--------------+-------------+-------------+-------------+-------------+
 
 The following sections introduce the status of virtio devices currently
 supported in ACRN.
@@ -763,3 +765,4 @@ supported in ACRN.
    virtio-input
    virtio-console
    virtio-rnd
+   virtio-i2c

doc/tutorials/images/virtio-i2c-1.png renamed to doc/developer-guides/hld/images/virtio-i2c-1.png

@@ -1,4 +1,4 @@
- .. _virtio_i2c:
+ .. _virtio-i2c:
 
 Virtio-i2c
 ##########