crosstool-ng.mk: disable recursion hook for crosstool-ng project.
crosstool-ng.mk: disable recursion hook for crosstool-ng project.

Simply set MAKELEVEL to 0.

$ make CROSS_COMPILE=arm-unknown-linux-gnueabi-
make -C crosstool-ng
make[1]: Entering directory '/home/***/at91nandflash/crosstool-ng'
Makefile:121: *** Recursion detected, bailing out....  Stop.
make[1]: Leaving directory '/home/***/Workspaces/at91nandflash/crosstool-ng'
crosstool-ng.mk:38: recipe for target 'crosstool-ng/ct-ng' failed
make: *** [crosstool-ng/ct-ng] Error 2

Signed-off-by: Gaël PORTAY <1666f60cfa201a60b0ea694168a0b6932673170a@gmail.com>

gazoo74/at91nandflash