flashrom: add page (#5700)

pages/linux/flashrom.md

@@ -0,0 +1,24 @@
+# flashrom
+
+> Read, write, verify and erase flash chips.
+> More information: <https://manned.org/flashrom>.
+
+- Probe the chip, ensuring the wiring is correct:
+
+`flashrom --programmer {{programmer}}`
+
+- Read flash and save it to a file:
+
+`flashrom -p {{programmer}} --read {{path/to/file}}`
+
+- Write a file to the flash:
+
+`flashrom -p {{programmer}} --write {{path/to/file}}`
+
+- Verify the flash against a file:
+
+`flashrom -p {{programmer}} --verify {{path/to/file}}`
+
+- Probe the chip using RaspberryPi:
+
+`flashrom -p {{linux_spi:dev=/dev/spidev0.0}}`