Add stm32 flash + bootloader support

* Add flash drivers for L0, L1, L4, WB and WL. Not tested for WB, but
should be similar to WL.
* Add embassy-boot-stm32 for bootloading on STM32.
* Add flash examples and bootloader examples
* Update stm32-data

1 files changed, 0 insertions, 31 deletions

diff --git a/examples/boot/README.md b/examples/boot/README.md
deleted file mode 100644
index b97513a9d..000000000
--- a/examples/boot/README.md
+++ /dev/null
@@ -1,31 +0,0 @@
-# Examples using bootloader
-
-Example for nRF52 demonstrating the bootloader. The example consists of application binaries, 'a'
-which allows you to press a button to start the DFU process, and 'b' which is the updated
-application.
-
-
-## Prerequisites
-
-* `cargo-binutils`
-* `cargo-flash`
-* `embassy-boot-nrf`
-
-## Usage
-
-
-
-```
-# Flash bootloader
-cargo flash --manifest-path ../../embassy-boot/nrf/Cargo.toml --release --features embassy-nrf/nrf52840 --chip nRF52840_xxAA
-# Build 'b'
-cargo build --release --features embassy-nrf/nrf52840 --bin b
-# Generate binary for 'b'
-cargo objcopy --release --features embassy-nrf/nrf52840 --bin b -- -O binary b.bin
-```
-
-# Flash `a` (which includes b.bin)
-
-```
-cargo flash --release --features embassy-nrf/nrf52840 --bin a --chip nRF52840_xxAA
-```