board: freescale: p1_p2_rdb_pc: Move ifdef for USB/eLBC check to correct place

Whole section about USB/eLBC configuration seems to be P1020 specific. So
add ifdefs to not compile it on other platforms (e.g. P2020).

Signed-off-by: Pali Rohár <pali@kernel.org>
Reviewed-by: Priyanka Jain <priyanka.jain@nxp.com>
diff --git a/board/freescale/p1_p2_rdb_pc/p1_p2_rdb_pc.c b/board/freescale/p1_p2_rdb_pc/p1_p2_rdb_pc.c
index bed2033..6665aa4 100644
--- a/board/freescale/p1_p2_rdb_pc/p1_p2_rdb_pc.c
+++ b/board/freescale/p1_p2_rdb_pc/p1_p2_rdb_pc.c
@@ -359,10 +359,10 @@
 #if defined(CONFIG_TARGET_P1020RDB_PD) || defined(CONFIG_TARGET_P1020RDB_PC)
 	const char *soc_usb_compat = "fsl-usb2-dr";
 	int usb_err, usb1_off, usb2_off;
-#endif
 #if defined(CONFIG_SDCARD) || defined(CONFIG_SPIFLASH)
 	int err;
 #endif
+#endif
 
 	ft_cpu_setup(blob, bd);
 
@@ -380,6 +380,7 @@
 	fsl_fdt_fixup_dr_usb(blob, bd);
 #endif
 
+#if defined(CONFIG_TARGET_P1020RDB_PD) || defined(CONFIG_TARGET_P1020RDB_PC)
 #if defined(CONFIG_SDCARD) || defined(CONFIG_SPIFLASH)
 	/* Delete eLBC node as it is muxed with USB2 controller */
 	if (hwconfig("usb2")) {
@@ -401,7 +402,6 @@
 	}
 #endif
 
-#if defined(CONFIG_TARGET_P1020RDB_PD) || defined(CONFIG_TARGET_P1020RDB_PC)
 /* Delete USB2 node as it is muxed with eLBC */
 	usb1_off = fdt_node_offset_by_compatible(blob, -1,
 		soc_usb_compat);