Fix typos (and nxstyle errors)

ReleaseNotes,
arch/arm/src/cxd56xx/cxd56_dmac_common.h,
arch/arm/src/efm32/efm32_dma.h,
arch/arm/src/lpc54xx/lpc54_lcd.c,
arch/arm/src/rp2040/rp2040_dmac.h,
arch/arm/src/stm32/stm32_dma.h,
arch/arm/src/stm32f0l0g0/stm32_dma.h,
arch/arm/src/stm32f7/stm32_dma.h,
arch/arm/src/stm32h7/stm32_dma.h,
arch/arm/src/stm32l4/stm32l4_dma.h,
arch/renesas/src/rx65n/rx65n_dtc.h,
fs/spiffs/src/spiffs_vfs.c,
net/route/cacheroute.h,
net/route/net_cacheroute.c,
net/route/net_foreach_fileroute.c,
net/route/net_foreach_ramroute.c,
net/route/net_foreach_romroute.c, and
net/route/route.h:

    * Fix the following typos:
      - remove spurious "are"
      - "tot he" -> "to the"

arch/arm/src/stm32f0l0g0/stm32_dma.h and
arch/arm/src/stm32l4/stm32l4_dma.h:

    * Fix nxstyle errors.

net/route/cacheroute.h

@@ -85,7 +85,7 @@ int net_addcache_ipv6(FAR struct net_route_ipv6_s *route);
  *
  * Input Parameters:
  *   handler - Will be called for each route in the routing table cache.
- *   arg     - An arbitrary value that will be passed tot he handler.
+ *   arg     - An arbitrary value that will be passed to the handler.
  *
  * Returned Value:
  *   Zero (OK) returned if the entire table was searched.  A negated errno

net/route/net_cacheroute.c

@@ -678,7 +678,7 @@ int net_addcache_ipv6(FAR struct net_route_ipv6_s *route)
  *
  * Input Parameters:
  *   handler - Will be called for each route in the routing table cache.
- *   arg     - An arbitrary value that will be passed tot he handler.
+ *   arg     - An arbitrary value that will be passed to the handler.
  *
  * Returned Value:
  *   Zero (OK) returned if the entire table was searched.  A negated errno

net/route/net_foreach_fileroute.c

@@ -48,7 +48,7 @@
  *
  * Input Parameters:
  *   handler - Will be called for each route in the routing table.
- *   arg     - An arbitrary value that will be passed tot he handler.
+ *   arg     - An arbitrary value that will be passed to the handler.
  *
  * Returned Value:
  *   Zero (OK) returned if the entire table was search.  A negated errno

net/route/net_foreach_ramroute.c

@@ -48,7 +48,7 @@
  *
  * Input Parameters:
  *   handler - Will be called for each route in the routing table.
- *   arg     - An arbitrary value that will be passed tot he handler.
+ *   arg     - An arbitrary value that will be passed to the handler.
  *
  * Returned Value:
  *   Zero (OK) returned if the entire table was search.  A negated errno

net/route/net_foreach_romroute.c

@@ -43,7 +43,7 @@
  *
  * Input Parameters:
  *   handler - Will be called for each route in the routing table.
- *   arg     - An arbitrary value that will be passed tot he handler.
+ *   arg     - An arbitrary value that will be passed to the handler.
  *
  * Returned Value:
  *   Zero (OK) returned if the entire table was search.  A negated errno

net/route/route.h

@@ -256,7 +256,7 @@ void netdev_ipv6_router(FAR struct net_driver_s *dev,
  *
  * Input Parameters:
  *   handler - Will be called for each route in the routing table.
- *   arg     - An arbitrary value that will be passed tot he handler.
+ *   arg     - An arbitrary value that will be passed to the handler.
  *
  * Returned Value:
  *   Zero (OK) returned if the entire table was searched.  A negated errno