kernel: add missing STMMAC options in generic configs

STMMAC_PLATFORM and STMMAC_PCI have been added recently in the kernel,
but show up only when STMMAC driver is enabled. So se'll add it in the
generic config, so the kernel build doesn't stall whenever we enable
this driver.

Signed-off-by: Mathieu Olivari <mathieu@codeaurora.org>

SVN-Revision: 45828

target/linux/generic/config-3.18

@@ -3837,6 +3837,8 @@ CONFIG_STDBINUTILS=y
 # CONFIG_STE10XP is not set
 # CONFIG_STE_MODEM_RPROC is not set
 # CONFIG_STMMAC_ETH is not set
+# CONFIG_STMMAC_PLATFORM is not set
+# CONFIG_STMMAC_PCI is not set
 CONFIG_STP=y
 # CONFIG_STRICT_DEVMEM is not set
 CONFIG_STRIP_ASM_SYMS=y

target/linux/generic/config-4.0

@@ -3913,6 +3913,8 @@ CONFIG_STDBINUTILS=y
 # CONFIG_STE10XP is not set
 # CONFIG_STE_MODEM_RPROC is not set
 # CONFIG_STMMAC_ETH is not set
+# CONFIG_STMMAC_PLATFORM is not set
+# CONFIG_STMMAC_PCI is not set
 CONFIG_STP=y
 # CONFIG_STRICT_DEVMEM is not set
 CONFIG_STRIP_ASM_SYMS=y