spi_master:fix error when use spi_bus_add_device more than 3 device

update gpio_sig at `spics_out` array in each spi_periph.c of chips later than s2
then `spi_bus_add_device` can correctly distribute gpio_signals for cs_signal

Closes https://github.com/espressif/esp-idf/issues/8876

components/soc/esp32/include/soc/Kconfig.soc_caps.in

@@ -535,6 +535,10 @@ config SOC_SPI_DMA_CHAN_NUM
     int
     default 2
 
+config SOC_SPI_MAX_CS_NUM
+    int
+    default 3
+
 config SOC_SPI_MAXIMUM_BUFFER_SIZE
     int
     default 64

components/soc/esp32/include/soc/soc_caps.h

@@ -268,6 +268,7 @@
 #define SOC_SPI_DMA_CHAN_NUM            2
 
 #define SOC_SPI_PERIPH_CS_NUM(i)        3
+#define SOC_SPI_MAX_CS_NUM              3
 
 #define SOC_SPI_MAXIMUM_BUFFER_SIZE     64
 #define SOC_SPI_MAX_PRE_DIVIDER         8192