doc: update project's target max LOC
Project ACRN is targetting to keep the hypervisor's total number of lines of
code (LOC) below 40K. Update the "Build ACRN from Source" document to accurately
reflect that.
@@ -36,7 +36,8 @@ the ACRN hypervisor for the following reasons:
- **Keep small footprint.** Implementing dynamic parsing introduces
hundreds or thousands of lines of code. Avoiding dynamic parsing
- helps keep the hypervisor's Lines of Code (LOC) in a desirable range (around 30K).
+ helps keep the hypervisor's Lines of Code (LOC) in a desirable range (less
+ than 40K).
- **Improve boot up time.** Dynamic parsing at runtime increases the boot
up time. Using a build-time configuration and not dynamic parsing
