Rename bootretry functions and remove #ifdefs

Add a bootretry_ prefix to these two functions, and remove the need for
the #ifdef around everything (it moves to the Makefile).

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/common/cmd_pci.c b/common/cmd_pci.c
index 180b35a..a1ba42e 100644
--- a/common/cmd_pci.c
+++ b/common/cmd_pci.c
@@ -355,9 +355,8 @@
 			if (incrflag)
 				addr += nbytes ? -size : size;
 			nbytes = 1;
-#ifdef CONFIG_BOOT_RETRY_TIME
-			reset_cmd_timeout(); /* good enough to not time out */
-#endif
+			/* good enough to not time out */
+			bootretry_reset_cmd_timeout();
 		}
 #ifdef CONFIG_BOOT_RETRY_TIME
 		else if (nbytes == -2) {
@@ -369,11 +368,9 @@
 			i = simple_strtoul(console_buffer, &endp, 16);
 			nbytes = endp - console_buffer;
 			if (nbytes) {
-#ifdef CONFIG_BOOT_RETRY_TIME
 				/* good enough to not time out
 				 */
-				reset_cmd_timeout();
-#endif
+				bootretry_reset_cmd_timeout();
 				pci_cfg_write (bdf, addr, size, i);
 				if (incrflag)
 					addr += size;