drivers/vpd: rename VPD_ANY to VPD_RO_THEN_RW

Rename VPD_ANY to VPD_RO_THEN_RW, to reflect the VPD region search
preference. Update all existing code references for VPD_ANY.

Signed-off-by: Jonathan Zhang <jonzhang@fb.com>
Change-Id: I960688d1f6ab199768107ab73b8a7400a3fdf473
Reviewed-on: https://review.coreboot.org/c/coreboot/+/41586
Reviewed-by: Julius Werner <jwerner@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

src/drivers/vpd/vpd.h

@@ -8,7 +8,7 @@
 #define GOOGLE_VPD_2_0_OFFSET 0x600
 
 enum vpd_region {
-	VPD_ANY = 0,
+	VPD_RO_THEN_RW = 0,
 	VPD_RO = 1,
 	VPD_RW = 2
 };