[XS] Change in coreboot[main]: doc/util/ifdtool: Update instructions

[Felix Singer (Code Review)]

Felix Singer has submitted this change. ( https://review.coreboot.org/c/coreboot/+/85235?usp=email )

Change subject: doc/util/ifdtool: Update instructions
......................................................................

doc/util/ifdtool: Update instructions

- Add step for building ifdtool (might not be obvious)
- Remove "./ifdtool COREBOOT_NAME" because it does nothing
- Add a small comment explaining what the -d and -x args do.

Signed-off-by: Maximilian Brune 
Change-Id: I868ea8918a1566cfade3bc161117f2ca8dfed31d
Reviewed-on: https://review.coreboot.org/c/coreboot/+/85235
Reviewed-by: Nicholas Chin 
Tested-by: build bot (Jenkins) 
Reviewed-by: Felix Singer 
---
M Documentation/util/ifdtool/binary_extraction.md
1 file changed, 3 insertions(+), 3 deletions(-)

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

diff --git a/Documentation/util/ifdtool/binary_extraction.md b/Documentation/util/ifdtool/binary_extraction.md
index fe8c25c..6b5a37a 100644
--- a/Documentation/util/ifdtool/binary_extraction.md
+++ b/Documentation/util/ifdtool/binary_extraction.md
@@ -9,9 +9,9 @@
 **Note:** Make sure you are in the root coreboot directory.

cd /path/to/coreboot/util/ifdtool
-    ./ifdtool COREBOOT_IMAGE
-    ./ifdtool -d COREBOOT_IMAGE
-    ./ifdtool -x COREBOOT_IMAGE
+    make
+    ./ifdtool -d COREBOOT_IMAGE # dump flash descriptor to stdout
+    ./ifdtool -x COREBOOT_IMAGE # extract IFD binaries into files (e.g. ME, IFD, GBE...)

In the above steps, COREBOOT_IMAGE is the name of the ROM image to extract the
 binaries from, including the file path (ex. /build/coreboot.rom).