GCC4.6: Squash warnings in LzmaTools.c

LzmaTools.c: In function 'lzmaBuffToBuffDecompress':
LzmaTools.c:70:5: warning: format '%lx' expects type 'long unsigned int', but
argument 2 has type 'unsigned char *'
LzmaTools.c:71:5: warning: format '%lx' expects type 'long unsigned int', but
argument 2 has type 'unsigned char *'
LzmaTools.c:72:5: warning: format '%lx' expects type 'long unsigned int', but
argument 2 has type 'unsigned char *'
LzmaTools.c:73:5: warning: format '%lx' expects type 'long unsigned int', but
argument 2 has type 'unsigned char *'
LzmaTools.c:74:5: warning: format '%lx' expects type 'long unsigned int', but
argument 2 has type 'unsigned char *'
LzmaTools.c:110:5: warning: format '%lx' expects type 'long unsigned int', but
argument 2 has type 'SizeT'
LzmaTools.c:111:5: warning: format '%lx' expects type 'long unsigned int', but
argument 2 has type 'SizeT'

Signed-off-by: Marek Vasut <marek.vasut@gmail.com>
Cc: Wolfgang Denk <wd@denx.de>
Cc: Simon Glass <sjg@chromium.org>
Cc: Mike Frysinger <vapier@gentoo.org>