mvebu: remove swconfig symbols from kernel config

Signed-off-by: DENG Qingfang <dengqf6@mail2.sysu.edu.cn>

target/linux/mvebu/config-4.19

@@ -345,7 +345,6 @@ CONFIG_MVNETA=y
 CONFIG_MVNETA_BM=y
 CONFIG_MVNETA_BM_ENABLE=y
 CONFIG_MVPP2=y
-CONFIG_MVSW61XX_PHY=y
 CONFIG_MV_XOR=y
 CONFIG_NEED_DMA_MAP_STATE=y
 CONFIG_NEON=y
@@ -452,7 +451,6 @@ CONFIG_SPI_ORION=y
 CONFIG_SRAM=y
 CONFIG_SRAM_EXEC=y
 CONFIG_SRCU=y
-CONFIG_SWCONFIG=y
 CONFIG_SWPHY=y
 CONFIG_SWP_EMULATE=y
 CONFIG_SYS_SUPPORTS_APM_EMULATION=y

target/linux/mvebu/config-5.4

@@ -348,7 +348,6 @@ CONFIG_MVNETA=y
 CONFIG_MVNETA_BM=y
 CONFIG_MVNETA_BM_ENABLE=y
 # CONFIG_MVPP2 is not set
-CONFIG_MVSW61XX_PHY=y
 CONFIG_MV_XOR=y
 CONFIG_NEED_DMA_MAP_STATE=y
 CONFIG_NEON=y
@@ -454,7 +453,6 @@ CONFIG_SPI_ORION=y
 CONFIG_SRAM=y
 CONFIG_SRAM_EXEC=y
 CONFIG_SRCU=y
-CONFIG_SWCONFIG=y
 CONFIG_SWPHY=y
 CONFIG_SWP_EMULATE=y
 CONFIG_SYS_SUPPORTS_APM_EMULATION=y