Kernel: Make Processor structure default to zero

This moves processor info to bss instead of having it in data section

kernel/include/kernel/Processor.h

@@ -209,7 +209,7 @@ namespace Kernel
 		static vaddr_t              s_shared_page_vaddr;
 
 		ProcessorID m_id { 0 };
-		uint8_t m_index { 0xFF };
+		uint8_t m_index { 0 };
 
 		vaddr_t m_thread_syscall_stack;
 

kernel/kernel/Processor.cpp

@@ -60,8 +60,13 @@ namespace Kernel
 			Kernel::panic("Trying to initialize invalid processor {}", id.m_id);
 
 		if (id == s_bsp_id)
+		{
 			for (auto& processor : s_processors)
+			{
 				processor.m_id = PROCESSOR_NONE;
+				processor.m_index = 0xFF;
+			}
+		}
 
 		auto& processor = s_processors[id.m_id];