kernel: change apic and acpi external functions to have arch_ before

kernel-src/include/x86-64/arch/acpi.h

@@ -53,8 +53,8 @@ typedef struct {
 #define ACPI_MADT_TYPE_64BITADDR 5
 #define ACPI_MADT_TYPE_X2APIC 9
 
-bool acpi_checksumok(void *table);
-void *acpi_findtable(char *sig, int n);
-void acpi_init();
+bool arch_acpi_checksumok(void *table);
+void *arch_acpi_findtable(char *sig, int n);
+void arch_acpi_init();
 
 #endif

kernel-src/include/x86-64/arch/apic.h

@@ -1,6 +1,6 @@
 #ifndef _APIC_H
 #define _APIC_H
 
-void apic_init();
+void arch_apic_init();
 
 #endif