package/powertop: picutils is optional, not mandatory

pciutils is optional, not mandatory since version 2.1 and the addition
of the package in commit 0adc0e24eed72efca0097c7567319f07b8af6d94 and
https://github.com/fenrus75/powertop/commit/98ca605e7cf856795facc4a3a4f9c5b9baf1cab1

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
[yann.morin.1998@free.fr:
  - one item per multi-line in _DEPENDENCIES
  - reorder _DEPENDENCIES
]
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>
(cherry picked from commit bcfcc07413c9e5222ad82552208c7b17ffb17105)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/powertop/Config.in

@@ -4,7 +4,6 @@ config BR2_PACKAGE_POWERTOP
 	depends on BR2_TOOLCHAIN_HAS_THREADS # libnl
 	depends on BR2_USE_WCHAR
 	select BR2_PACKAGE_NCURSES
-	select BR2_PACKAGE_PCIUTILS
 	select BR2_PACKAGE_LIBNL
 	help
 	  A tool to diagnose issues with power consumption and power

package/powertop/powertop.mk

@@ -6,10 +6,16 @@
 
 POWERTOP_VERSION = 2.13
 POWERTOP_SITE = https://01.org/sites/default/files/downloads
-POWERTOP_DEPENDENCIES = pciutils ncurses libnl host-pkgconf \
-	$(TARGET_NLS_DEPENDENCIES)
 POWERTOP_LICENSE = GPL-2.0
 POWERTOP_LICENSE_FILES = COPYING
+
+POWERTOP_DEPENDENCIES = \
+	host-pkgconf \
+	libnl \
+	ncurses \
+	$(if $(BR2_PACKAGE_PCIUTILS),pciutils) \
+	$(TARGET_NLS_DEPENDENCIES)
+
 POWERTOP_CONF_ENV = LIBS=$(TARGET_NLS_LIBS)
 # 0001-dont-force-stack-smashing-protection.patch
 POWERTOP_AUTORECONF = YES