Revert "powerpc/T104xRDB: Fix endian access issue on EHCI intinalization"

There was an EHCI endian accessor issue. Now it's fixed by commit
9829ce2ff2 ("usb: ehci: Fix accessors for big-endian platforms and
descriptors"). Revert commit e6a727fffe ("powerpc/T104xRDB: Fix
endian access issue on EHCI intinalization"). On T104x platform,
USB EHCI register use little endian.

Signed-off-by: Ran Wang <ran.wang_1@nxp.com>
[YS: revised commit message]
Reviewed-by: York Sun <york.sun@nxp.com>

include/configs/T104xRDB.h

@@ -618,7 +618,6 @@ $(SRCTREE)/board/freescale/t104xrdb/t1042d4_sd_rcw.cfg
 #ifdef CONFIG_USB_EHCI_HCD
 #define CONFIG_USB_EHCI_FSL
 #define CONFIG_EHCI_HCD_INIT_AFTER_RESET
-#define CONFIG_EHCI_DESC_BIG_ENDIAN
 #endif
 #endif