xc7: use openFPGALoader instead of openocd

Signed-off-by: Unai Martinez-Corral <umartinezcorral@antmicro.com>

xc7/additional_examples/button_controller/README.rst

@@ -30,7 +30,7 @@ Now, you can upload the design with:
 
 .. code-block:: bash
 
-   openocd -f ${F4PGA_INSTALL_DIR}/${FPGA_FAM}/conda/envs/${FPGA_FAM}/share/openocd/scripts/board/digilent_arty.cfg -c "init; pld load 0 top.bit; exit"
+   openFPGALoader -b basys3 top.bit
 
 The following is an example of the debouncer in action:
 

xc7/environment.yml

@@ -2,7 +2,7 @@ name: xc7
 channels:
   - litex-hub
 dependencies:
-  - litex-hub::openocd=0.10.0_1514_ga8edbd020=20201119_154304
+  - litex-hub::openfpgaloader==0.7.0_5_g796483f=20220104_201921
   - litex-hub::prjxray-tools=0.1_2986_g5937733d=20220512_085338
   - litex-hub::gcc-riscv64-elf-newlib=9.2.0=20201119_154229
   - litex-hub::prjxray-db=0.0_257_g0a0adde=20220512_085338

xc7/litex_demo/README.rst

@@ -52,7 +52,7 @@ Now you can upload the design with:
 
 .. code-block:: bash
 
-   openocd -f ${F4PGA_INSTALL_DIR}/${FPGA_FAM}/conda/envs/${FPGA_FAM}/share/openocd/scripts/board/digilent_arty.cfg -c "init; pld load 0 top.bit; exit"
+   openFPGALoader -b arty_a7_100t top.bit
 
 .. note::