package/pifmrds: new package

package/pifmrds: new package

We needs three little patches:
  - one to make the existing Makefile cross-compile friendly
  - one to pass the LDFLAGS at link time
  - one to add a missing include

[Thomas: add missing 'depends on BR2_arm' in comment, renumber patches
to start at 0001 and not 0000.]

Signed-off-by: Eric Limpens <limpens@gmail.com>
[yann.morin.1998@free.fr: add .mk header; cleanup and split the
 Makefile patch, add missing include; add comments to all patches]
Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>