Update for va108xx

- New `va108xx-embassy` crate.
- Embassy library uses new crate
- Updated all dependencies

va108xx-hal

- Refactored and simplified PWM driver
- Added new raw getter API for TIM peripheral blocks

examples/simple/Cargo.toml

@@ -6,10 +6,10 @@ edition = "2021"
 [dependencies]
 cortex-m = {version = "0.7", features = ["critical-section-single-core"]}
 cortex-m-rt = "0.7"
-panic-halt = "0.2"
-panic-rtt-target = "0.1"
+panic-halt = "1"
+panic-rtt-target = "0.2"
 critical-section = "1"
-rtt-target = "0.5"
+rtt-target = "0.6"
 embedded-hal = "1"
 embedded-hal-nb = "1"
 embedded-io = "0.6"