ec: Update for galp7

This brings in the following changes:

- Set PL4 based on AC state for all boards
- Increase PL4 on battery to 45W for dGPU boards
- galp6,galp7: Enable firmware security

Signed-off-by: Tim Crawford <tcrawford@system76.com>

CHANGELOG.md

@@ -6,6 +6,13 @@ date followed by an underscore and a short git revision. To see if specific
 features apply to your model and firmware version, see the
 [feature matrix](./FEATURES.md).
 
+## unreleased
+
+- Set PL4 based on AC state for all boards
+- Increased PL4 on battery to 45W for dGPU boards
+- galp6: Enabled firmware security
+- galp7: Added initial release of open firmware with System76 EC
+
 ## 2023-05-17
 
 - serw13: Fix speaker smart amplifier initialization
@@ -13,7 +20,6 @@ features apply to your model and firmware version, see the
 
 ## 2023-05-16
 
-- galp7: Added initial release of open firmware with System76 EC
 - lemp12: Added initial release of open firmware with System76 EC
 
 ## 2023-04-03