baremetal-helloworld: Fix install path since S doesnt have a trailing slash

(From OE-Core rev: f099a4ec8e722f590fbf9b5ae87bb6ec29a5e6e6)

Signed-off-by: Alejandro Enedino Hernandez Samaniego <alejandro@enedino.org>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta-skeleton/recipes-baremetal/baremetal-examples/baremetal-helloworld_git.bb

@@ -40,8 +40,8 @@ EXTRA_OEMAKE_append = " QEMUARCH=${BAREMETAL_QEMUARCH} V=1"
 # Install binaries on the proper location for baremetal-image to fetch and deploy
 do_install(){
     install -d ${D}/${base_libdir}/firmware
-    install -m 755 ${B}build/hello_baremetal_${BAREMETAL_QEMUARCH}.bin ${D}/${base_libdir}/firmware/${BAREMETAL_BINNAME}.bin
-    install -m 755 ${B}build/hello_baremetal_${BAREMETAL_QEMUARCH}.elf ${D}/${base_libdir}/firmware/${BAREMETAL_BINNAME}.elf
+    install -m 755 ${B}/build/hello_baremetal_${BAREMETAL_QEMUARCH}.bin ${D}/${base_libdir}/firmware/${BAREMETAL_BINNAME}.bin
+    install -m 755 ${B}/build/hello_baremetal_${BAREMETAL_QEMUARCH}.elf ${D}/${base_libdir}/firmware/${BAREMETAL_BINNAME}.elf
 }
 
 FILES_${PN} += " \