doc: board: ti: k3 docs: Use ::prompt

Use prompt instead of code-block to have copy-paste friendly command
documentation.

Signed-off-by: Nishanth Menon <nm@ti.com>
diff --git a/doc/board/ti/am65x_evm.rst b/doc/board/ti/am65x_evm.rst
index 0e96e31..89011c0 100644
--- a/doc/board/ti/am65x_evm.rst
+++ b/doc/board/ti/am65x_evm.rst
@@ -75,16 +75,16 @@
 .. include::  k3.rst
     :start-after: .. k3_rst_include_start_common_env_vars_defn
     :end-before: .. k3_rst_include_end_common_env_vars_defn
-.. code-block:: bash
+.. prompt:: bash $
 
- $ export UBOOT_CFG_CORTEXR=am65x_evm_r5_defconfig
- $ export UBOOT_CFG_CORTEXA=am65x_evm_a53_defconfig
- $ export TFA_BOARD=generic
- $ # we dont use any extra TFA parameters
- $ unset TFA_EXTRA_ARGS
- $ export OPTEE_PLATFORM=k3-am65x
- $ # we dont use any extra OP-TEE parameters
- $ unset OPTEE_EXTRA_ARGS
+  export UBOOT_CFG_CORTEXR=am65x_evm_r5_defconfig
+  export UBOOT_CFG_CORTEXA=am65x_evm_a53_defconfig
+  export TFA_BOARD=generic
+  # we dont use any extra TFA parameters
+  unset TFA_EXTRA_ARGS
+  export OPTEE_PLATFORM=k3-am65x
+  # we dont use any extra OP-TEE parameters
+  unset OPTEE_EXTRA_ARGS
 
 .. am65x_evm_rst_include_start_build_steps
 
@@ -160,32 +160,32 @@
 u-boot.img, and sysfw.itb from an SD card and write them to the eMMC boot0
 partition at respective addresses.
 
-.. code-block:: text
+.. prompt:: bash =>
 
- => mmc dev 0 1
- => fatload mmc 1 ${loadaddr} tiboot3.bin
- => mmc write ${loadaddr} 0x0 0x400
- => fatload mmc 1 ${loadaddr} tispl.bin
- => mmc write ${loadaddr} 0x400 0x1000
- => fatload mmc 1 ${loadaddr} u-boot.img
- => mmc write ${loadaddr} 0x1400 0x2000
- => fatload mmc 1 ${loadaddr} sysfw.itb
- => mmc write ${loadaddr} 0x3600 0x800
+  mmc dev 0 1
+  fatload mmc 1 ${loadaddr} tiboot3.bin
+  mmc write ${loadaddr} 0x0 0x400
+  fatload mmc 1 ${loadaddr} tispl.bin
+  mmc write ${loadaddr} 0x400 0x1000
+  fatload mmc 1 ${loadaddr} u-boot.img
+  mmc write ${loadaddr} 0x1400 0x2000
+  fatload mmc 1 ${loadaddr} sysfw.itb
+  mmc write ${loadaddr} 0x3600 0x800
 
 To give the ROM access to the boot partition, the following commands must be
 used for the first time:
 
-.. code-block:: text
+.. prompt:: bash =>
 
- => mmc partconf 0 1 1 1
- => mmc bootbus 0 1 0 0
+  mmc partconf 0 1 1 1
+  mmc bootbus 0 1 0 0
 
 To create a software partition for the rootfs, the following command can be
 used:
 
-.. code-block:: text
+.. prompt:: bash =>
 
- => gpt write mmc 0 ${partitions}
+  gpt write mmc 0 ${partitions}
 
 eMMC layout:
 
@@ -195,11 +195,11 @@
 Kernel image and DT are expected to be present in the /boot folder of rootfs.
 To boot kernel from eMMC, use the following commands:
 
-.. code-block:: text
+.. prompt:: bash =>
 
- => setenv mmcdev 0
- => setenv bootpart 0
- => boot
+  setenv mmcdev 0
+  setenv bootpart 0
+  boot
 
 OSPI:
 -----
@@ -211,17 +211,17 @@
 and sysfw.itb over tftp and then flash those to OSPI at their respective
 addresses.
 
-.. code-block:: text
+.. prompt:: bash =>
 
- => sf probe
- => tftp ${loadaddr} tiboot3.bin
- => sf update $loadaddr 0x0 $filesize
- => tftp ${loadaddr} tispl.bin
- => sf update $loadaddr 0x80000 $filesize
- => tftp ${loadaddr} u-boot.img
- => sf update $loadaddr 0x280000 $filesize
- => tftp ${loadaddr} sysfw.itb
- => sf update $loadaddr 0x6C0000 $filesize
+  sf probe
+  tftp ${loadaddr} tiboot3.bin
+  sf update $loadaddr 0x0 $filesize
+  tftp ${loadaddr} tispl.bin
+  sf update $loadaddr 0x80000 $filesize
+  tftp ${loadaddr} u-boot.img
+  sf update $loadaddr 0x280000 $filesize
+  tftp ${loadaddr} sysfw.itb
+  sf update $loadaddr 0x6C0000 $filesize
 
 Flash layout for OSPI:
 
@@ -234,10 +234,10 @@
 
 To boot kernel from OSPI, at the U-Boot prompt:
 
-.. code-block:: text
+.. prompt:: bash =>
 
- => setenv boot ubi
- => boot
+  setenv boot ubi
+  boot
 
 UART:
 -----
@@ -281,19 +281,19 @@
 Example bash script sequence for running on a Linux host PC feeding all boot
 artifacts needed to the device:
 
-.. code-block:: text
+.. prompt:: bash $
 
- MCU_DEV=/dev/ttyUSB1
- MAIN_DEV=/dev/ttyUSB0
+  MCU_DEV=/dev/ttyUSB1
+  MAIN_DEV=/dev/ttyUSB0
 
- stty -F $MCU_DEV 115200 cs8 -cstopb -parenb
- stty -F $MAIN_DEV 115200 cs8 -cstopb -parenb
+  stty -F $MCU_DEV 115200 cs8 -cstopb -parenb
+  stty -F $MAIN_DEV 115200 cs8 -cstopb -parenb
 
- sb --xmodem tiboot3.bin > $MCU_DEV < $MCU_DEV
- sb --ymodem sysfw.itb > $MCU_DEV < $MCU_DEV
- sb --ymodem tispl.bin > $MAIN_DEV < $MAIN_DEV
- sleep 1
- sb --xmodem u-boot.img > $MAIN_DEV < $MAIN_DEV
+  sb --xmodem tiboot3.bin > $MCU_DEV < $MCU_DEV
+  sb --ymodem sysfw.itb > $MCU_DEV < $MCU_DEV
+  sb --ymodem tispl.bin > $MAIN_DEV < $MAIN_DEV
+  sleep 1
+  sb --xmodem u-boot.img > $MAIN_DEV < $MAIN_DEV
 
 Debugging U-Boot
 ----------------
@@ -315,6 +315,6 @@
 
 To start OpenOCD and connect to the board
 
-.. code-block:: bash
+.. prompt:: bash $
 
   openocd -f board/ti_am654evm.cfg