Allow compilation on architectures without direct hardware access primitives

Allow compilation on all architectures even if direct hardware access
primitives are missing, if all you need is userspace access to the
serial port (serprog, buspirate) or no access at all (dummy).

Corresponding to flashrom svn r1116.
Signed-off-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>
Acked-by: Uwe Hermann <uwe@hermann-uwe.de>

hwaccess.h

@@ -160,6 +160,7 @@ cpu_to_be(64)
 #define le_to_cpu32 cpu_to_le32
 #define le_to_cpu64 cpu_to_le64
 
+#if NEED_PCI == 1
 #if defined (__i386__) || defined (__x86_64__)
 
 #define __FLASHROM_HAVE_OUTB__ 1
@@ -319,6 +320,7 @@ int freebsd_wrmsr(int addr, msr_t msr);
 
 #error Unknown architecture, please check if it supports PCI port IO.
 
+#endif
 #endif
 
 #endif /* !__HWACCESS_H__ */