add stm32l151 and bit_field

README.md

@@ -47,6 +47,7 @@ Register definition for microcontroller families. Usually generated using [`svd2
 - [`stm32f042`](https://crates.io/crates/stm32f042)
 - [`stm32f103xx`](https://crates.io/crates/stm32f103xx)
 - [`stm32f30x`](https://crates.io/crates/stm32f30x)
+- [`stm32l151`](https://crates.io/crates/stm32l151)
 
 ## HAL implementation crates
 
@@ -98,6 +99,8 @@ Also check the list of [STMicroelectronics board support crates][stm-bsc]!
 
 - [`stm32f30x-hal`](https://crates.io/crates/stm32f30x-hal)
 
+- [`stm32l151-hal`](https://crates.io/crates/stm32l151-hal)
+
 ### Texas Instruments
 
 - [`tm4c123x-hal`](https://github.com/thejpster/tm4c123x-hal)
@@ -228,10 +231,13 @@ Work in progress drivers. Help the authors make these crates awesome!
 
 ## no-std crates
 
-`#![no_std]` crates designed to run on resource constrained devices.
+[`#![no_std]` crates][no-std-category] designed to run on resource constrained devices.
 
 *whoops* this list is currently empty. Want to help us write it? Leave a comment on issue [#2].
 
+- [bit_field](https://crates.io/crates/bit_field): manipulating bitfields and bitarrays
+
+[no-std-category]: https://crates.io/categories/no-std
 [#2]: https://github.com/rust-embedded/awesome-embedded-rust/issues/2
 
 ## License