i2c.h: fix kernel-doc warnings

Fix kernel-doc warnings in linux/i2c.h:

Warning(include/linux/i2c.h:176): No description found for parameter 'alert'
Warning(include/linux/i2c.h:259): No description found for parameter 'of_node'

Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

authored by Randy Dunlap and committed by Linus Torvalds 72d2e9f9 0caa6210

+2
+2
include/linux/i2c.h
··· 108 108 * @shutdown: Callback for device shutdown 109 109 * @suspend: Callback for device suspend 110 110 * @resume: Callback for device resume 111 + * @alert: Alert callback, for example for the SMBus alert protocol 111 112 * @command: Callback for bus-wide signaling (optional) 112 113 * @driver: Device driver model driver 113 114 * @id_table: List of I2C devices supported by this driver ··· 234 233 * @addr: stored in i2c_client.addr 235 234 * @platform_data: stored in i2c_client.dev.platform_data 236 235 * @archdata: copied into i2c_client.dev.archdata 236 + * @of_node: pointer to OpenFirmware device node 237 237 * @irq: stored in i2c_client.irq 238 238 * 239 239 * I2C doesn't actually support hardware probing, although controllers and