sis-updater: use unversioned libchrome libraray.

Libchrome is changing pkg-config and .so library name from
xxxx-${libbase_ver}.{pc,so} to xxx.{pc,so}.

Libchrome uprev rebuild will be handled by ebuild subslot change. And
there's no need to install multiple libchrome. Keeping libbase_ver
suffix will cause troubles on linking libraries when developers wants to
test locally emerge a-single-package without build_packages, after a
libchrome uprev. Especially in a case a package depends on another
package(library), and both depends on libchrome. Thus, removing
libbase_ver from suffix.

BUG=chromium:920513
TEST=CQ

Change-Id: Ibe1b00a011a7852c732a9b42581ba7fc769ff5f1
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/sis-updater/+/2505270
Reviewed-by: Joe Tessler <jrt@chromium.org>
Commit-Queue: Qijiang Fan <fqj@google.com>
Tested-by: Qijiang Fan <fqj@google.com>
diff --git a/src/module.mk b/src/module.mk
index 4daa842..c192452 100644
--- a/src/module.mk
+++ b/src/module.mk
@@ -4,7 +4,7 @@
 
 include common.mk
 
-PC_DEPS = libbrillo libchrome-$(BASE_VER)
+PC_DEPS = libbrillo libchrome
 PC_CFLAGS := $(shell $(PKG_CONFIG) --cflags $(PC_DEPS))
 PC_LIBS := $(shell $(PKG_CONFIG) --libs $(PC_DEPS))
 LDLIBS += $(PC_LIBS)