[PATCH 2/2] doc: add clarity to what a "fpga" image is

[Sam Povilus]

Update fit documentation to clarify that FPGA images are vendor specific and 
opaque bitstreams.

Signed-off-by: Sam Povilus <sam.povi...@amd.com>
---
 doc/usage/fit/source_file_format.rst | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/doc/usage/fit/source_file_format.rst 
b/doc/usage/fit/source_file_format.rst
index 310225d839..7727ab77c5 100644
--- a/doc/usage/fit/source_file_format.rst
+++ b/doc/usage/fit/source_file_format.rst
@@ -198,7 +198,7 @@ type
     firmware              Firmware
     firmware_ivt          Firmware with HABv4 IVT
     flat_dt               Flat Device Tree
-    fpga                  FPGA Image
+    fpga                  FPGA Device Image (bitstream file, vendor specific)
     gpimage               TI Keystone SPL Image
     imx8image             NXP i.MX8 Boot Image
     imx8mimage            NXP i.MX8M Boot Image
-- 
2.34.1