[S] Change in flashrom[1.2.x]: flashrom.8: add missing entry for `--flash-contents`

[Felix Singer (Code Review)]

Felix Singer has submitted this change. ( https://review.coreboot.org/c/flashrom/+/67873 )

Change subject: flashrom.8: add missing entry for `--flash-contents`
......................................................................

flashrom.8: add missing entry for `--flash-contents`

Change-Id: I64a8200a86329bd26a2069c5dc39430de9f8ba09
Signed-off-by: Michael Niewöhner 
Reviewed-on: https://review.coreboot.org/c/flashrom/+/57807
Tested-by: build bot (Jenkins) 
Reviewed-by: Nico Huber 
Reviewed-on: https://review.coreboot.org/c/flashrom/+/67873
Reviewed-by: Felix Singer 
Reviewed-by: Angel Pons 
---
M flashrom.8.tmpl
1 file changed, 23 insertions(+), 0 deletions(-)

Approvals:
  build bot (Jenkins): Verified
  Felix Singer: Looks good to me, approved
  Angel Pons: Looks good to me, approved

diff --git a/flashrom.8.tmpl b/flashrom.8.tmpl
index aa5bcd4..959e5fd 100644
--- a/flashrom.8.tmpl
+++ b/flashrom.8.tmpl
@@ -250,6 +250,13 @@
 .B "--flash-size"
 Prints out the detected flash chips size.
 .TP
+.B "--flash-contents <ref-file>"
+The file contents of
+.BR <ref-file>
+will be used to decide which parts of the flash need to be written. Providing
+this saves an initial read of the full flash chip. Be careful, if the provided
+data doesn't actually match the flash contents, results are undefined.
+.TP
 .B "-L, --list-supported"
 List the flash chips, chipsets, mainboards, and external programmers
 (including PCI, USB, parallel port, and serial port based devices)