Merge #376

376: Update Fedora and Linux verification steps r=adamgreig a=anthonyjmartinez

Updates  Fedora instructions and Verification steps for *Nix where versions of OpenOCD (0.11.0 in Fedora 33's case) have a single `interface/stlink.cfg` supporting all ST-LINK versions.

- Closes #364

Co-authored-by: Anthony J. Martinez <anthony@ajmartinez.com>

Author: bors[bot]

src/03-setup/linux.md

@@ -42,12 +42,11 @@ sudo apt-get install \
 
 ### Fedora 23 or newer
 
-Install GDB as described in [Other distros](#other-distros) and the following packages:
-
 ``` console
 sudo dnf install \
   minicom \
-  openocd
+  openocd \
+  gdb
 ```
 
 ### Arch Linux

src/03-setup/verify.md

@@ -68,6 +68,10 @@ Two *red* LEDs should turn on right after connecting the USB cable to the board.
 > no `-1` at the end). Alternatively, older revisions can use `-f board/stm32f3discovery.cfg`
 > instead of `-f interface/stlink-v2-1.cfg -f target/stm32f3x.cfg`.
 
+> **NOTE** OpenOCD v0.11.0 has deprecated `interface/stlink-v2.cfg` in favor of
+> `interface/stlink.cfg` which supports ST-LINK/V1, ST-LINK/V2, ST-LINK/V2-1, and
+> ST-LINK/V3.
+
 ### *Nix
 
 > **FYI:** The `interface` directory is typically located in `/usr/share/openocd/scripts/`,
@@ -78,6 +82,13 @@ Two *red* LEDs should turn on right after connecting the USB cable to the board.
 openocd -f interface/stlink-v2-1.cfg -f target/stm32f3x.cfg
 ```
 
+or
+
+``` console
+openocd -f interface/stlink.cfg -f target/stm32f3x.cfg
+```
+
+
 ### Windows
 
 Below the references to `C:\OpenOCD` is the directory where OpenOCD is installed.