doc: Add get-feature cdw11 and set-feature cdw12 parameters

Those implemented but missed to described by the documentations.

Signed-off-by: Tokunori Ikegami <ikegami.t@gmail.com>

Author: ikegami-t

Documentation/nvme-get-feature.txt

@@ -9,11 +9,11 @@ SYNOPSIS
 --------
 [verse]
 'nvme get-feature' <device> [--namespace-id=<nsid> | -n <nsid>]
-			[--feature-id=<fid> | -f <fid>] [--cdw11=<cdw11>]
+			[--feature-id=<fid> | -f <fid>]
 			[--uuid-index=<uuid-index> | -U <uuid_index>]
 			[--data-len=<data-len> | -l <data-len>]
 			[--sel=<select> | -s <select>]
-			[--raw-binary | -b]
+			[--raw-binary | -b] [--cdw11=<cdw11> | -c <cdw11>]
 			[--human-readable | -H]
 			[--output-format=<fmt> | -o <fmt>] [--verbose | -v]
 
@@ -69,6 +69,7 @@ OPTIONS
 	known features do not use this value. The exception is LBA
 	Range Type
 
+-c <cdw11>::
 --cdw11=<cdw11>::
 	The value for command dword 11, if applicable.
 

Documentation/nvme-set-feature.txt

@@ -14,6 +14,7 @@ SYNOPSIS
 			[--data-len=<data-len> | -l <data-len>]
 			[--data=<data-file> | -d <data-file>] [--save | -s]
 			[--output-format=<fmt> | -o <fmt>] [--verbose | -v]
+			[--cdw12=<cdw12> | -c <cdw12>]
 
 DESCRIPTION
 -----------
@@ -73,6 +74,10 @@ OPTIONS
 --verbose::
 	Increase the information detail in the output.
 
+-c <cdw12>::
+--cdw12=<cdw12>::
+	The value for command dword 12, if applicable.
+
 EXAMPLES
 --------
 * Sets the Power State (PS) to 1 in feature id 2: