meta-inspur: fp5280g2: Remove extra slash

The mssage is: WARNING: Recipe phosphor-fp5280g2-psu-update sets B
variable with trailing slash 'work/openbmc/build/tmp/work/arm1176jzs-openbmc-linux-gnueabi/phosphor-fp5280g2-psu-update/1.0+git${SRCPV}-r1/git/',
remove it.

Tested: Built fp5280g2 successfully and without warnings.

Signed-off-by: George Liu <liuxiwei@inspur.com>
Change-Id: I6b039fe019f9cc9ea2dccf1636480fa08f00fb29
diff --git a/meta-inspur/meta-fp5280g2/recipes-phosphor/power/phosphor-fp5280g2-psu-update.bb b/meta-inspur/meta-fp5280g2/recipes-phosphor/power/phosphor-fp5280g2-psu-update.bb
index 3cc6386..7c9e4f6 100644
--- a/meta-inspur/meta-fp5280g2/recipes-phosphor/power/phosphor-fp5280g2-psu-update.bb
+++ b/meta-inspur/meta-fp5280g2/recipes-phosphor/power/phosphor-fp5280g2-psu-update.bb
@@ -10,7 +10,7 @@
 LICENSE = "Apache-2.0"
 LIC_FILES_CHKSUM = "file://${COREBASE}/meta/files/common-licenses/Apache-2.0;md5=89aea4e17d99a7cacdbeed46a0096b10"
 
-S = "${WORKDIR}/git/"
+S = "${WORKDIR}/git"
 do_install() {
         install -d ${D}${bindir}
         install -m 0755 ${S}/fp5280g2-psu-update ${D}${bindir}/fp5280g2-psu-update