STM32F7 disable d-cache as a precaution (#11374)

- see 1259864 Data corruption in a sequence of Write-Through stores and loads
 - if we can be certain this sequence won't occur in PX4 then the d-cache will be re-enabled

boards/px4/fmu-v5/nuttx-config/nsh/defconfig

@@ -78,7 +78,7 @@ CONFIG_ARCH="arm"
 # ARM Options
 #
 # CONFIG_ARCH_CHIP_A1X is not set
-# CONFIG_ARCH_CHIP_BCM2708 is not set
+# CONFIG_ARCH_CHIP_AM335X is not set
 # CONFIG_ARCH_CHIP_C5471 is not set
 # CONFIG_ARCH_CHIP_DM320 is not set
 # CONFIG_ARCH_CHIP_EFM32 is not set
@@ -162,8 +162,7 @@ CONFIG_ARMV7M_HAVE_DCACHE=y
 CONFIG_ARMV7M_USEBASEPRI=y
 CONFIG_ARMV7M_BASEPRI_WAR=y
 CONFIG_ARMV7M_ICACHE=y
-CONFIG_ARMV7M_DCACHE=y
-CONFIG_ARMV7M_DCACHE_WRITETHROUGH=y
+# CONFIG_ARMV7M_DCACHE is not set
 CONFIG_ARMV7M_HAVE_ITCM=y
 CONFIG_ARMV7M_HAVE_DTCM=y
 # CONFIG_ARMV7M_ITCM is not set
@@ -818,8 +817,17 @@ CONFIG_WATCHDOG_DEVPATH="/dev/watchdog0"
 # LCD Driver Support
 #
 # CONFIG_LCD is not set
+
+#
+# Character/Segment LCD Devices
+#
 # CONFIG_SLCD is not set
 
+#
+# Other LCD-related Devices
+#
+# CONFIG_LCD_OTHER is not set
+
 #
 # LED Support
 #
@@ -1398,6 +1406,7 @@ CONFIG_BUILTIN_PROXY_STACKSIZE=1024
 #
 # CONFIG_EXAMPLES_ADXL372_TEST is not set
 # CONFIG_EXAMPLES_APA102 is not set
+# CONFIG_EXAMPLES_BATTERY is not set
 # CONFIG_EXAMPLES_CALIB_UDELAY is not set
 # CONFIG_EXAMPLES_CCTYPE is not set
 # CONFIG_EXAMPLES_CHAT is not set
@@ -1450,7 +1459,6 @@ CONFIG_BUILTIN_PROXY_STACKSIZE=1024
 # CONFIG_EXAMPLES_SLCD is not set
 # CONFIG_EXAMPLES_SMART is not set
 # CONFIG_EXAMPLES_SMART_TEST is not set
-# CONFIG_EXAMPLES_SMP is not set
 # CONFIG_EXAMPLES_SMPS is not set
 # CONFIG_EXAMPLES_STAT is not set
 # CONFIG_EXAMPLES_TCPECHO is not set
@@ -1682,6 +1690,7 @@ CONFIG_READLINE_ECHO=y
 # CONFIG_SYSTEM_SUDOKU is not set
 # CONFIG_SYSTEM_SYSTEM is not set
 # CONFIG_SYSTEM_TEE is not set
+# CONFIG_SYSTEM_TERMCURSES is not set
 # CONFIG_SYSTEM_UBLOXMODEM is not set
 # CONFIG_SYSTEM_VI is not set
 # CONFIG_SYSTEM_ZMODEM is not set