drivers/hv: remove obsolete TODO and fix misleading typo in comment

Removes an obsolete TODO in the VMBus module and fixes a misleading typo
in the comment for the macro MAX_NUM_CHANNELS, where two digits have been
twisted.

Signed-off-by: Stefan Eschenbacher <[email protected]>
Co-developed-by: Max Stolze <[email protected]>
Signed-off-by: Max Stolze <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Wei Liu <[email protected]>

Author: Stefan Eschenbacher

drivers/hv/hyperv_vmbus.h

@@ -187,14 +187,13 @@ int hv_ringbuffer_read(struct vmbus_channel *channel,
 		       u64 *requestid, bool raw);
 
 /*
- * The Maximum number of channels (16348) is determined by the size of the
+ * The Maximum number of channels (16384) is determined by the size of the
  * interrupt page, which is HV_HYP_PAGE_SIZE. 1/2 of HV_HYP_PAGE_SIZE is to
  * send endpoint interrupts, and the other is to receive endpoint interrupts.
  */
 #define MAX_NUM_CHANNELS	((HV_HYP_PAGE_SIZE >> 1) << 3)
 
 /* The value here must be in multiple of 32 */
-/* TODO: Need to make this configurable */
 #define MAX_NUM_CHANNELS_SUPPORTED	256
 
 #define MAX_CHANNEL_RELIDS					\