Refine requirements for Zephyr RTOS platform setup and enhance native simulation capabilities description

Author: andre-stefanov

ROADMAP.md

@@ -18,15 +18,14 @@
 
 ### 1.1 Zephyr RTOS Platform Setup
 **🔴 priority:critical**  
-**Requirements:** REQ-SYS-001, REQ-SYS-002, REQ-SYS-003, REQ-SYS-004, REQ-HW-001, REQ-HW-002, REQ-HW-003
+**Requirements:** REQ-SYS-001, REQ-SYS-002, REQ-SYS-003, REQ-HW-001, REQ-HW-002, REQ-HW-003
 
 **Description:** Establish the foundational Zephyr RTOS platform with primary hardware support and development environment.
 
 **Acceptance Criteria:**
 - [ ] **REQ-SYS-001**: Zephyr RTOS version 4.2.0 integration functional
 - [ ] **REQ-SYS-002**: 32-bit microcontroller platform support verified
 - [ ] **REQ-SYS-003**: UART communication interface operational
-- [ ] **REQ-SYS-004**: Native simulation capabilities implemented for development/testing
 - [ ] **REQ-HW-001**: MKS Robin Nano (STM32F407xx) board support functional  
 - [ ] **REQ-HW-002**: native_sim platform support for development/testing
 - [ ] **REQ-HW-003**: STM32F407xx microcontroller family support verified

specs/requirements.md

@@ -39,13 +39,11 @@ OpenAstroFirmware SHALL provide telescope mount control capabilities including:
 
 **REQ-SYS-003:** The system SHALL support UART communication interface.
 
-**REQ-SYS-004:** The system SHALL provide native simulation capabilities for development and testing.
-
 ### 2.2 Hardware Platform Requirements
 
 **REQ-HW-001:** The system SHALL support MKS Robin Nano (STM32F407xx-based) as the primary hardware platform.
 
-**REQ-HW-002:** The system SHALL support native_sim platform for development and testing.
+**REQ-HW-002:** The system SHALL provide native simulation capabilities for development and testing, and SHALL support the Zephyr native_sim platform to enable these capabilities.
 
 **REQ-HW-003:** The system SHALL support STM32F407xx microcontroller family.