Fix lots of occurrences of 'the the', 'the there', 'the these', 'the then', 'the they.

arch/xtensa/src/common/xtensa_testset.c

@@ -133,7 +133,7 @@ spinlock_t up_testset(volatile FAR spinlock_t *lock)
    *  code."
    *
    * In any case, the return value of SP_UNLOCKED can be trusted and will
-   * always mean that the the spinlock was set.
+   * always mean that the spinlock was set.
    */
 
   return (prev == SP_UNLOCKED) ? SP_UNLOCKED : SP_LOCKED;

arch/xtensa/src/esp32/chip/esp32_uart.h

@@ -1464,7 +1464,7 @@
 
 /* UART_PRE_IDLE_NUM : R/W ;bitpos:[23:0] ;default: 24'h186a00 ; */
 /* Description: This register is used to configure the idle duration time
- * before the first at_cmd is received by receiver. when the the duration
+ * before the first at_cmd is received by receiver. when the duration
  * is less than this register value it will not take the next data received
  * as at_cmd char.
  */

arch/xtensa/src/esp32/esp32_gpio.h

@@ -100,7 +100,7 @@
 
 #ifndef __ASSEMBLY__
 
-/* Must be big enough to hold the the above encodings */
+/* Must be big enough to hold the above encodings */
 
 typedef uint16_t gpio_pinattr_t;
 typedef uint8_t gpio_intrtype_t;

arch/xtensa/src/esp32/esp32_intercpu_interrupt.c

@@ -93,7 +93,7 @@ static int esp32_fromcpu_interrupt(int fromcpu)
                              DPORT_CPU_INTR_FROM_CPU_1_REG;
   putreg32(0, regaddr);
 
-  /* Get the the inter-CPU interrupt code */
+  /* Get the inter-CPU interrupt code */
 
   tocpu            = up_cpu_index();
   intcode          = g_intcode[tocpu];