Rename SPL_MUSB_NEW_SUPPORT to SPL_MUSB_NEW

Rename this option so that CONFIG_IS_ENABLED can be used with it.

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/configs/am335x_boneblack_vboot_defconfig b/configs/am335x_boneblack_vboot_defconfig
index 3ffc4a9..e720e1d 100644
--- a/configs/am335x_boneblack_vboot_defconfig
+++ b/configs/am335x_boneblack_vboot_defconfig
@@ -19,7 +19,7 @@
 CONFIG_BOOTCOMMAND="run findfdt; run init_console; run finduuid; run distro_bootcmd"
 CONFIG_SYS_CONSOLE_INFO_QUIET=y
 CONFIG_ARCH_MISC_INIT=y
-CONFIG_SPL_MUSB_NEW_SUPPORT=y
+CONFIG_SPL_MUSB_NEW=y
 # CONFIG_SPL_NAND_SUPPORT is not set
 CONFIG_SPL_NET_SUPPORT=y
 CONFIG_SPL_NET_VCI_STRING="AM33xx U-Boot SPL"