spl: CONFIG_SPL_PCI_PNP should depend on CONFIG_SPL_PCI

CONFIG_SPL_PCI_PNP=y without CONFIG_SPL_PCI=y makes no sense.

Fixes: 32f5e9e5c1a7 ("nvme: pci: Enable for SPL")
Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
diff --git a/drivers/pci/Kconfig b/drivers/pci/Kconfig
index aca439d..93e6f50 100644
--- a/drivers/pci/Kconfig
+++ b/drivers/pci/Kconfig
@@ -41,7 +41,8 @@
 	  Enable PCI memory and I/O space resource allocation and assignment.
 
 config SPL_PCI_PNP
-	bool "Enable Plug & Play support for PCI"
+	bool "Enable Plug & Play support for PCI in SPL"
+	depends on SPL_PCI
 	help
 	  Enable PCI memory and I/O space resource allocation and assignment.