packagegroup-qcom: use RDEPENDS instead of RRECOMMENDS (#850)

All initramfs-\*-image recipes use NO_RECOMMENDS to keep the size
minimal. The commit ebf3168 ("packagegroups: Define QCOM userspace
helper packagegroups") made initramfs-tiny-image to pull
packagegroup-qcom-* packages, which RRECOMMENDs platform packages
instead of RDEPENDing on them, thus all testing initramfs images have
lost corresponding Qualcomm tools.

Make packagegroup-qcom use RDEPENDS instead of RRECOMMENDS in order to
brign tool packages back.

Author: ricardosalveti

recipes-bsp/packagegroups/packagegroup-qcom.bb

@@ -7,13 +7,13 @@ PACKAGES = " \
     ${PN}-boot-additional \
 "
 
-RRECOMMENDS:${PN}-boot-essential = " \
+RDEPENDS:${PN}-boot-essential = " \
     pd-mapper \
     qrtr \
     rmtfs \
     tqftpserv \
 "
 
-RRECOMMENDS:${PN}-boot-additional = " \
+RDEPENDS:${PN}-boot-additional = " \
     fastrpc \
 "